SimilarityRank
be_the_main_source_of 0.775 67055
the_primary_source_of 0.765 45617
be_an_important_source_of 0.725 95327
the_main_source_of 0.709 75749
the_large_source 0.688 78247
a_source_of 0.666 6302
be_a_major_cause_of 0.641 88621
great_source_of 0.602 98757
as_a_source_of 0.585 16420
source_of 0.583 2921
only_source_of 0.579 40950
contribute_significantly_to 0.561 39320
lead_to_increase 0.544 79863
account_for_[number]_%_of 0.542 27759
be_a_serious_problem 0.539 99535
account_for_[number]_percent_of 0.535 51541
be_a_great_source_of 0.534 96590
play_an_important_role_in 0.531 10076
be_the_lead_cause_of 0.525 54897
play_a_significant_role_in 0.520 28754
significant_amount_of 0.519 85349
also_play_an_important_role 0.515 98643
other_source_of 0.514 41544
and_other_source 0.513 27910
play_a_major_role_in 0.510 21446