idea@@1	idea	concept	30
idea@@1	idea	notion	23
idea@@1	idea	thought	14
idea@@1	idea	theory	13
idea@@1	idea	plan	8
idea@@1	idea	suggestion	7
idea@@1	idea	hypothesis	6
idea@@1	idea	belief	5
idea@@1	idea	imagined idea	4
idea@@1	idea	opinion	4
idea@@1	idea	proposal	4
idea@@1	idea	view	4