SimilarityRank
issue_associate_with 0.787 59758
problem_cause_by 0.768 59711
problem_relate_to 0.768 33222
problem_with 0.710 3733
problem 0.699 185
challenge_associate_with 0.686 61107
major_problem 0.660 34279
issue_relate_to 0.657 11960
challenge_relate_to 0.651 80453
serious_problem 0.641 48894
issue_surround 0.638 28254
related_problem 0.636 65450
such_problem 0.631 41208
potential_problem 0.630 49494
these_problem 0.625 12503
issue_regard 0.622 47179
problem_face 0.618 83674
issue_such_as 0.617 21073
difficulty_with 0.609 27066
issue_around 0.604 31128
issue_concern 0.599 41364
issue_involve 0.591 48438
drawback_of 0.589 47479
practical_problem 0.584 74534
various_problem 0.582 94278