SimilarityRank
nobody_know 0.804 74533
we_do_not_know 0.711 21798
I_do_not_know 0.657 6146
be_unknown 0.657 8723
be_not_know 0.652 21842
not_know 0.633 17980
they_do_not_know 0.633 52548
he_do_not_know 0.627 53219
be_a_mystery 0.623 49852
do_not_know 0.618 10490
I_have_no_idea 0.611 27343
remain_unknown 0.605 95834
she_do_not_know 0.603 91878
you_do_not_know 0.597 50551
have_no_idea 0.588 68416
never_know 0.584 62448
they_know 0.581 10829
remain_a_mystery 0.580 70041
I_never_know 0.558 87759
"_I_do_not_know 0.555 30599
he_know 0.555 8413
really_know 0.555 90488
it_be_hard_to_tell 0.551 78396
even_know 0.549 96702
everyone_know 0.546 85538