SimilarityRank
these_problem 0.687 12503
challenge 0.680 222
these_difficulty 0.670 80470
many_challenge 0.669 34197
these_issue 0.664 8191
specific_challenge 0.659 92340
various_challenge 0.659 99907
challenge_we_face 0.654 47011
economic_challenge 0.647 92616
the_challenge_ahead 0.644 59436
global_challenge 0.644 41446
the_challenge_face 0.627 22143
this_dilemma 0.626 84765
current_challenge 0.625 50315
financial_challenge 0.624 89147
the_challenge_pose_by 0.619 96527
new_challenge 0.617 18398
challenge_face 0.616 32972
challenge_relate_to 0.615 80453
face_today 0.607 76202
environmental_challenge 0.607 68452
these_concern 0.606 24364
challenge_they_face 0.604 44286
challenge_associate_with 0.602 61107
such_problem 0.601 41208