Assertion: sheikh osama bin laden | /r/CapableOf | plot attack
Facets:
value: after meeting together in 1999
type: TEMPORAL
Source sentences:
text: It is alleged that Osama bin Laden, Khalid Sheikh Mohammed, and Mohammed Atef were the ones who plotted the attacks after meeting together in 1999, that Khalid Sheikh Mohammed planned the attacks, and that Atef organized the hijackers.