http://premon.fbk.eu/resource/vn33-discover-84-1_frame_6 an entity of type: VerbNetFrame
8.1
NP V PP.source PP.theme what S_INF
PP-P-WHAT-TO-INF; from-PP about-PP
discover(during(E), Agent, Theme, Source)
Agent V {from} Source {about} Theme [+wh_inf]
0.1