SimilarityRank
these_problem 0.763 12503
this_problem 0.734 4064
such_problem 0.720 41208
problem 0.695 185
of_these_issue 0.649 48734
related_problem 0.610 65450
serious_problem 0.607 48894
this_dilemma 0.601 84765
solve_this 0.599 34201
specific_problem 0.598 57049
major_problem 0.593 34279
problem_relate_to 0.584 33222
problem_associate_with 0.579 33102
these_issue 0.579 8191
solve 0.577 2389
current_problem 0.576 54692
problem_with 0.573 3733
structural_problem 0.565 86642
various_problem 0.560 94278
potential_problem 0.559 49494
problem_cause_by 0.559 59711
solve_them 0.553 89467
these_challenge 0.553 16957
any_problem 0.550 28370
these_difficulty 0.547 80470