SimilarityRank
no_one_know 0.804 42689
we_do_not_know 0.696 21798
I_do_not_know 0.662 6146
they_do_not_know 0.617 52548
do_not_know 0.609 10490
he_do_not_know 0.604 53219
it_be_hard_to_say 0.603 62167
I_have_no_idea 0.602 27343
have_no_idea 0.595 68416
you_do_not_know 0.586 50551
not_know 0.581 17980
be_a_mystery 0.575 49852
they_know 0.574 10829
be_not_know 0.570 21842
we_do_not_know_what 0.570 70917
really_know 0.567 90488
be_unknown 0.565 8723
remain_a_mystery 0.558 70041
it_do_not_matter 0.557 26113
she_do_not_know 0.556 91878
I_be_not_sure 0.555 10313
it_be_hard_to_tell 0.553 78396
everyone_know 0.549 85538
"_I_do_not_know 0.546 30599
now_I_know 0.543 85342