| Similarity | Rank | |
|---|---|---|
| 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 |