SimilarityRank
fundamental_question 0.721 82438
key_question 0.689 36417
difficult_question 0.684 79064
the_central_question 0.680 92792
important_question 0.672 48294
hard_question 0.656 80547
critical_question 0.654 87652
question 0.642 193
great_question 0.630 50002
the_main_question 0.613 78579
the_big_issue 0.611 32640
tough_question 0.610 73831
the_big_question_be 0.608 89506
many_question 0.604 23525
such_question 0.604 34376
another_question 0.602 32755
question_: 0.588 4389
try_to_answer 0.586 71078
interesting_question 0.579 95419
these_question 0.574 9512
big_issue 0.572 68319
several_question 0.570 81089
conundrum 0.561 44007
the_real_question_be 0.557 89181
three_question 0.557 70931