Questions on 'pdf file' tag
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1
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499
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0
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1
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519
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0
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2
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546
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0
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1
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559
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0
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1
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404
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0
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1
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665
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0
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1
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184
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0
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1
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490
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0
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1
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269
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0
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1
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551
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0
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1
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496
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0
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1
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511
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0
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1
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521
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0
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1
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375
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0
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1
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540
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0
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1
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608
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0
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1
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615
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1
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1
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601
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0
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1
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589
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0
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1
answer
616
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0
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1
answer
592
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0
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1
answer
538
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0
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1
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575
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0
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1
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629
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0
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1
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604
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0
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1
answer
179
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0
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1
answer
438
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0
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1
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446
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0
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1
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524
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0
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1
answer
604
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0
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1
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607
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0
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1
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715
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0
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1
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614
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1
answer
584
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0
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1
answer
520
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