| Similarity | Rank | |
|---|---|---|
| be_unknown | 0.673 | 8723 |
| be_unclear | 0.651 | 18231 |
| be_not_know | 0.649 | 21842 |
| it_be_unclear | 0.645 | 96477 |
| it_be_hard_to_say | 0.632 | 62167 |
| it_be_not_clear | 0.619 | 43210 |
| remain_a_mystery | 0.615 | 70041 |
| remain_unclear_. | 0.609 | 61353 |
| be_not_clear | 0.598 | 25766 |
| it_be_unclear_whether | 0.596 | 62460 |
| remain_unknown_. | 0.587 | 83257 |
| we_be_not_sure | 0.581 | 82655 |
| it_be_not_clear_whether | 0.579 | 72966 |
| curious_as | 0.573 | 87118 |
| remain_unknown | 0.571 | 95834 |
| be_uncertain | 0.555 | 25526 |
| I_have_no_idea | 0.539 | 27343 |
| we_do_not_know | 0.536 | 21798 |
| no_one_know | 0.535 | 42689 |
| be_a_mystery | 0.533 | 49852 |
| it_be_hard_to_tell | 0.525 | 78396 |
| I_be_not_sure | 0.525 | 10313 |
| have_no_idea | 0.522 | 68416 |
| we_do_not_know_what | 0.513 | 70917 |
| and_to_what_extent | 0.512 | 52964 |