SimilarityRank
the_big_problem 0.712 25566
a_big_problem 0.706 88869
another_issue 0.704 27258
major_problem 0.703 34279
the_main_problem 0.694 46787
problem 0.688 185
big_problem 0.672 39556
serious_problem 0.671 48894
problem_with 0.671 3733
a_problem_with 0.653 19265
the_same_problem 0.636 37541
the_real_problem 0.623 29156
there_be_a_problem 0.603 50362
One_issue 0.601 82093
the_main_problem_be 0.597 96132
problem_relate_to 0.588 33222
there_be_a_problem_with 0.587 97972
problem_cause_by 0.584 59711
an_issue_with 0.582 52281
various_problem 0.580 94278
another_challenge 0.575 48760
this_problem 0.573 4064
problem_associate_with 0.572 33102
these_problem 0.569 12503
the_big_issue 0.561 32640