SimilarityRank
I_be_not_sure 0.709 10313
I_can_not_say 0.693 50257
it_be_hard_to_tell 0.680 78396
I_do_not_know 0.648 6146
it_be_not_clear 0.645 43210
it_be_unclear 0.634 96477
it_be_unknown 0.632 73475
we_be_not_sure 0.631 82655
I_have_no_idea 0.627 27343
nobody_know 0.603 74533
"_I_do_not_know 0.595 30599
we_do_not_know 0.591 21798
but_I_be_not_sure 0.583 25639
I_do_not_know_what 0.569 21576
we_do_not_know_what 0.564 70917
curious_as 0.564 87118
be_unclear 0.560 18231
I_do_not_think 0.558 7324
I_do_not_think_that 0.558 19924
I_doubt 0.556 46706
the_big_question_be 0.554 89506
"_I_do_not_know_what 0.546 99572
not_sure 0.545 34196
I_do_not_care 0.543 53361
I_wonder 0.543 25343