SimilarityRank
the_great_challenge 0.789 32862
big_challenge 0.768 46944
many_challenge 0.752 34197
major_challenge 0.725 94021
the_big_challenge 0.708 19695
challenge 0.690 222
the_major_challenge 0.673 66525
new_challenge 0.656 18398
face_many_challenge 0.608 78198
another_challenge 0.607 48760
the_main_challenge 0.599 52376
the_key_challenge 0.584 74955
various_challenge 0.583 99907
that_we_face 0.572 59337
different_challenge 0.568 83598
these_challenge 0.567 16957
challenge_face 0.566 32972
the_most_challenging 0.564 54484
big_problem 0.564 39556
we_face 0.560 17796
current_challenge 0.557 50315
economic_challenge 0.554 92616
face_challenge 0.554 51525
face_today 0.552 76202
great_opportunity 0.545 48164