. "PP-P-WH-S; from-PP about-PP"@en . . . . . . . "8.1"@en . . . "Agent V {from} Source {about} Theme [+wh_comp]" . "0.1"@en . "discover(during(E), Agent, Theme, Source)" . "NP V PP.source PP.theme whether/if S"@en . . .