SimilarityRank
be_unknown 0.891 8723
remain_unknown 0.772 95834
remain_unknown_. 0.744 83257
be_unclear 0.711 18231
be_not_clear 0.692 25766
remain_a_mystery 0.673 70041
be_uncertain 0.668 25526
remain_unclear_. 0.667 61353
no_one_know 0.652 42689
we_do_not_know 0.650 21798
it_be_unknown 0.649 73475
be_not_know_to 0.607 78162
not_know 0.589 17980
be_not_specify 0.585 72855
nobody_know 0.570 74533
be_already_know 0.567 79443
be_a_mystery 0.551 49852
do_not_specify 0.543 99897
do_not_reveal 0.541 84708
be_well_know 0.534 17747
only_know 0.534 20973
do_not_know 0.530 10490
he_do_not_know 0.527 53219
it_be_not_clear_whether 0.526 72966
know 0.526 278