SimilarityRank
key_question 0.800 36417
important_question 0.756 48294
question 0.731 193
the_central_question 0.719 92792
difficult_question 0.694 79064
such_question 0.684 34376
fundamental_question 0.683 82438
the_big_question 0.654 48706
hard_question 0.653 80547
the_follow_question 0.650 49788
tough_question 0.649 73831
the_main_question 0.644 78579
three_question 0.639 70931
interesting_question 0.639 95419
these_question 0.627 9512
question_raise_by 0.623 92791
many_question 0.617 23525
question_pose_by 0.617 99784
simple_question 0.616 96794
several_question 0.613 81089
question_arise 0.611 78319
the_follow_question_: 0.609 63223
specific_question 0.606 54214
research_question 0.605 22552
those_question 0.605 26434