SimilarityRank
do_not_know_what 0.806 36350
do_not_know 0.699 10490
have_no_idea 0.697 68416
I_have_no_idea_what 0.682 52632
wonder_what 0.650 14054
want_to_know_what 0.649 61381
not_know_what 0.633 76772
do_not_understand 0.629 21094
do_not_know_that 0.623 56055
know_nothing_about 0.623 84943
I_do_not_know_what 0.620 21576
do_not_know_about 0.607 58593
know_what 0.602 6282
be_not_aware_of 0.600 45005
know_exactly_what 0.586 72843
do_not_care 0.583 42198
I_be_not_sure_what 0.576 29674
do_not_realize 0.575 86319
be_unaware_of 0.572 36659
be_not_familiar_with 0.568 68653
I_wonder_what 0.567 28912
I_know_what 0.564 37098
do_not_think 0.563 24494
we_do_not_know_what 0.560 70917
they_do_not_know 0.554 52548