Suppose
(#$isa #$Giggling #$MysteryCollection001) (#$isa #$GoolsbeyGigglingToday #$Giggling)
Must
(#$isa #$GoolsbeyGigglingToday #$MysteryCollection001)
Could it ever be true? Explain.
(#$genls #$Giggling #$UtteranceEvent) (#$isa #$UtteranceEvent #$TypeOfHappening)
(#$isa #$Giggling #$TypeOfHappening)