SimilarityRank
serious_problem 0.657 48894
important_issue 0.654 26970
big_issue 0.648 68319
major_issue 0.640 31720
difficult_issue 0.623 94041
the_real_issue 0.613 32975
those_issue 0.607 21616
these_issue 0.599 8191
other_issue 0.597 10566
issue 0.594 145
an_issue_that 0.581 53631
critical_issue 0.581 30887
such_issue 0.578 21237
the_big_issue 0.576 32640
problem 0.575 185
complex_issue 0.574 58383
the_core_issue 0.568 79574
major_problem 0.565 34279
relevant_issue 0.561 76908
issue_involve 0.557 48438
controversial_issue 0.556 73193
related_issue 0.555 33101
the_real_problem 0.555 29156
real_problem 0.554 71844
an_issue 0.553 6956