| Similarity | Rank | |
|---|---|---|
| be_not_clear | 0.876 | 25766 |
| remain_unclear_. | 0.782 | 61353 |
| be_uncertain | 0.781 | 25526 |
| be_unknown | 0.739 | 8723 |
| be_not_know | 0.711 | 21842 |
| remain_unknown_. | 0.699 | 83257 |
| unclear | 0.694 | 31853 |
| remain_unknown | 0.689 | 95834 |
| it_be_unclear | 0.672 | 96477 |
| it_be_unknown | 0.651 | 73475 |
| it_be_not_clear | 0.647 | 43210 |
| remain_a_mystery | 0.643 | 70041 |
| be_ambiguous | 0.624 | 58935 |
| not_clear | 0.600 | 86587 |
| it_be_unclear_whether | 0.574 | 62460 |
| it_be_not_clear_whether | 0.571 | 72966 |
| we_do_not_know | 0.566 | 21798 |
| it_be_hard_to_say | 0.560 | 62167 |
| be_questionable | 0.560 | 39845 |
| do_not_specify | 0.556 | 99897 |
| vague | 0.539 | 15269 |
| ambiguous | 0.526 | 23665 |
| no_one_know | 0.525 | 42689 |
| be_doubtful | 0.523 | 99075 |
| do_not_explain | 0.521 | 94495 |