SimilarityRank
I_do_not_know 0.713 6146
I_understand 0.685 9997
I_can_understand 0.663 60946
I_have_no_idea 0.634 27343
I_be_not_sure 0.612 10313
I_do_not_like 0.609 13734
do_not_understand 0.604 21094
I_do_not_know_about 0.600 48476
I_do_not_know_what 0.598 21576
they_do_not_understand 0.598 98186
I_do_not_know_how_to 0.597 49681
I_do_not_remember 0.596 35346
I_forget 0.596 36903
I_be_not_sure_about 0.595 80193
I_dislike 0.585 96632
I_be_not_familiar_with 0.584 95241
explain_to_me 0.583 43669
I_have_no_idea_what 0.581 52632
I_do_not_know_why 0.577 39855
I_can_not_remember 0.572 46389
I_can_not_see 0.570 52855
I_can_not_find 0.568 56804
I_be_not_sure_what 0.564 29674
I_be_not_aware_of 0.562 49915
I_have_forget 0.562 98231