SimilarityRank
first_of_its_kind 0.758 94834
of_its_kind 0.692 35888
the_first_ever 0.618 14860
the_first-ever 0.589 26995
a_groundbreaking 0.574 73159
first-ever 0.550 48061
the_world_first 0.547 14801
first_ever 0.544 52002
be_first_ever 0.533 72612
nation_first 0.525 49961
the_most_comprehensive 0.523 32435
recently_launch 0.519 28937
a_state-of-the-art 0.514 49956
mark_the_first_time 0.513 94941
a_pioneer 0.512 25661
ground-breaking 0.505 45091
be_the_first_major 0.504 89260
unlike_any_other 0.501 52425
an_innovative 0.498 13048
recently_establish 0.490 67170
groundbreaking 0.490 15850
break_new_ground 0.487 41471
the_first_major 0.486 49516
be_a_landmark 0.482 81348
be_unprecedented 0.479 34337