| Similarity | Rank | |
|---|---|---|
| challenge_face_by | 0.838 | 66867 |
| the_challenge_face | 0.834 | 22143 |
| issue_face | 0.808 | 32083 |
| problem_face | 0.774 | 83674 |
| the_challenge_face_by | 0.768 | 42818 |
| issue_face_by | 0.728 | 88072 |
| current_challenge | 0.699 | 50315 |
| challenge_associate_with | 0.696 | 61107 |
| challenge_they_face | 0.685 | 44286 |
| challenge_relate_to | 0.674 | 80453 |
| the_problem_face | 0.673 | 66079 |
| common_challenge | 0.672 | 99524 |
| specific_challenge | 0.672 | 92340 |
| the_key_challenge | 0.667 | 74955 |
| issue_affect | 0.663 | 41862 |
| many_challenge | 0.660 | 34197 |
| face_today | 0.655 | 76202 |
| economic_challenge | 0.655 | 92616 |
| the_unique_challenge | 0.654 | 90230 |
| the_major_challenge | 0.647 | 66525 |
| major_challenge | 0.641 | 94021 |
| the_problem_face_by | 0.637 | 87703 |
| future_challenge | 0.626 | 41206 |
| various_challenge | 0.626 | 99907 |
| key_issue | 0.622 | 15544 |