"NP V PP.source PP.theme what S_INF"@en . . . . "PP-P-WHAT-TO-INF; from-PP about-PP"@en . . "Agent V {from} Source {about} Theme [+wh_inf]" . . . "8.1"@en . . "discover(during(E), Agent, Theme, Source)" . . "0.1"@en . . . .