SimilarityRank
challenge_face 0.774 32972
issue_face 0.758 32083
the_problem_face 0.711 66079
challenge_face_by 0.707 66867
issue_face_by 0.689 88072
major_problem 0.687 34279
problem 0.686 185
the_challenge_face 0.683 22143
the_problem_face_by 0.683 87703
issue_affect 0.657 41862
current_problem 0.649 54692
problem_relate_to 0.640 33222
economic_problem 0.640 38699
serious_problem 0.635 48894
big_problem 0.627 39556
face_today 0.622 76202
problem_associate_with 0.618 33102
specific_problem 0.617 57049
major_issue 0.610 31720
the_challenge_face_by 0.608 42818
issue_concern 0.599 41364
the_main_problem 0.596 46787
political_problem 0.595 63987
problem_with 0.593 3733
practical_problem 0.592 74534