http://premon.fbk.eu/resource/vn33-discover-84-1_frame_4 an entity of type: VerbNetFrame
8.1
NP V PP.source PP.theme whether/if S
PP-P-WH-S; from-PP about-PP
discover(during(E), Agent, Theme, Source)
Agent V {from} Source {about} Theme [+wh_comp]
0.1