SimilarityRank
the_real_issue 0.781 32975
the_big_problem 0.743 25566
problem 0.704 185
the_main_problem 0.671 46787
big_problem 0.661 39556
real_problem 0.656 71844
major_problem 0.656 34279
the_big_issue 0.647 32640
a_big_problem 0.645 88869
the_root_cause_of 0.643 32663
the_core_issue 0.637 79574
the_main_problem_be 0.636 96132
problem_we_face 0.627 98636
another_problem 0.623 52607
the_root_cause 0.617 46795
problem_with 0.605 3733
the_problem_face 0.594 66079
serious_problem 0.594 48894
the_main_issue 0.585 33447
there_be_a_problem 0.582 50362
these_problem 0.582 12503
problem_cause_by 0.576 59711
fundamental_issue 0.574 91852
current_problem 0.572 54692
structural_problem 0.565 86642