http://premon.fbk.eu/resource/vn33-discover-84-1_frame_7 an entity of type: VerbNetFrame
8.1
NP V PP.source PP.theme whether S_INF
PP-P-WH-TO-INF; from-PP about-PP
discover(during(E), Agent, Theme, Source)
Agent V {from} Source {about} Theme [+wheth_inf]
0.1