SimilarityRank
problem 0.708 185
specific_problem 0.669 57049
major_problem 0.668 34279
the_problem_face 0.657 66079
problem_face 0.649 83674
these_problem 0.643 12503
current_challenge 0.642 50315
economic_problem 0.641 38699
various_problem 0.633 94278
structural_problem 0.628 86642
the_current_situation 0.626 16186
the_main_problem 0.624 46787
practical_problem 0.622 74534
problem_relate_to 0.617 33222
problem_we_face 0.616 98636
possible_solution 0.614 42117
such_problem 0.614 41208
political_problem 0.608 63987
real_problem 0.606 71844
major_issue 0.600 31720
the_current_crisis 0.600 38574
current_issue 0.600 25696
fundamental_issue 0.598 91852
related_problem 0.594 65450
the_present_situation 0.592 52217