SimilarityRank
problem 0.775 185
related_problem 0.775 65450
problem_associate_with 0.768 33102
issue_relate_to 0.759 11960
issue_regard 0.744 47179
problem_with 0.735 3733
problem_cause_by 0.720 59711
various_problem 0.718 94278
issue_associate_with 0.703 59758
issue_concern 0.696 41364
specific_problem 0.694 57049
such_problem 0.685 41208
major_problem 0.684 34279
related_issue 0.675 33101
challenge_relate_to 0.663 80453
concern_relate_to 0.659 82451
issue_such_as 0.657 21073
relate_issue 0.653 81422
practical_problem 0.653 74534
serious_problem 0.646 48894
issue_pertain_to 0.642 92021
problem_face 0.640 83674
these_problem 0.633 12503
common_problem 0.617 56258
current_problem 0.617 54692