SimilarityRank
challenge_face 0.838 32972
the_challenge_face_by 0.816 42818
issue_face_by 0.789 88072
the_challenge_face 0.780 22143
issue_face 0.748 32083
problem_face 0.707 83674
the_problem_face_by 0.680 87703
challenge_they_face 0.677 44286
challenge_associate_with 0.671 61107
the_unique_challenge 0.669 90230
common_challenge 0.649 99524
specific_challenge 0.648 92340
face_today 0.638 76202
challenge_relate_to 0.637 80453
the_problem_face 0.629 66079
current_challenge 0.620 50315
the_key_challenge 0.616 74955
issue_affect 0.598 41862
various_challenge 0.589 99907
the_major_challenge 0.585 66525
many_challenge 0.575 34197
major_challenge 0.573 94021
economic_challenge 0.572 92616
issue_associate_with 0.562 59758
common_issue 0.561 90970