| Similarity | Rank | |
|---|---|---|
| challenge_relate_to | 0.772 | 80453 |
| issue_associate_with | 0.748 | 59758 |
| the_unique_challenge | 0.696 | 90230 |
| challenge_face | 0.696 | 32972 |
| problem_associate_with | 0.686 | 33102 |
| specific_challenge | 0.678 | 92340 |
| challenge_face_by | 0.671 | 66867 |
| the_challenge_face | 0.658 | 22143 |
| the_major_challenge | 0.643 | 66525 |
| the_challenge_pose_by | 0.640 | 96527 |
| many_challenge | 0.636 | 34197 |
| the_challenge_face_by | 0.626 | 42818 |
| issue_surround | 0.625 | 28254 |
| technical_challenge | 0.623 | 52969 |
| the_key_challenge | 0.620 | 74955 |
| common_challenge | 0.617 | 99524 |
| current_challenge | 0.615 | 50315 |
| major_challenge | 0.611 | 94021 |
| issue_relate_to | 0.603 | 11960 |
| these_challenge | 0.602 | 16957 |
| risk_associate_with | 0.601 | 23268 |
| various_challenge | 0.596 | 99907 |
| challenge_they_face | 0.592 | 44286 |
| issue_around | 0.592 | 31128 |
| the_main_challenge | 0.586 | 52376 |