SimilarityRank
do_not_know_about 0.763 58593
do_not_know_that 0.759 56055
do_not_know_what 0.754 36350
do_not_understand 0.748 21094
be_not_aware_of 0.741 45005
have_no_idea 0.735 68416
they_do_not_know 0.702 52548
have_no_idea_what 0.699 89292
do_not_care 0.699 42198
be_unaware_of 0.672 36659
not_know 0.671 17980
know_nothing_about 0.667 84943
be_not_sure 0.654 58331
do_not_realize 0.653 86319
never_know 0.650 62448
I_do_not_know 0.643 6146
already_know 0.642 24061
you_do_not_know 0.641 50551
be_not_familiar_with 0.636 68653
be_ignorant_of 0.635 94536
he_do_not_know 0.632 53219
we_do_not_know 0.629 21798
really_know 0.626 90488
want_to_know 0.625 35647
even_know 0.619 96702