| Similarity | Rank | |
|---|---|---|
| future_challenge | 0.756 | 41206 |
| challenge_face | 0.699 | 32972 |
| the_challenge_face | 0.674 | 22143 |
| the_key_challenge | 0.674 | 74955 |
| challenge_relate_to | 0.667 | 80453 |
| specific_challenge | 0.661 | 92340 |
| the_major_challenge | 0.654 | 66525 |
| current_problem | 0.642 | 54692 |
| major_challenge | 0.640 | 94021 |
| common_challenge | 0.636 | 99524 |
| challenge | 0.626 | 222 |
| these_challenge | 0.625 | 16957 |
| challenge_face_by | 0.620 | 66867 |
| global_challenge | 0.617 | 41446 |
| various_challenge | 0.616 | 99907 |
| challenge_associate_with | 0.615 | 61107 |
| the_challenge_ahead | 0.612 | 59436 |
| new_challenge | 0.606 | 18398 |
| the_challenge_face_by | 0.603 | 42818 |
| key_issue | 0.601 | 15544 |
| challenge_we_face | 0.600 | 47011 |
| the_main_challenge | 0.596 | 52376 |
| the_challenge_pose_by | 0.590 | 96527 |
| Challenges | 0.583 | 14291 |
| emerge_issue | 0.582 | 75696 |