(<= (before (ending-point (whenfn |http://www.ksl.stanford.edu/projects/aquaint/TonyHall.daml#|::|TonyHallMeetsMubarak|)) (ending-point ?t2)) (during (whenfn |http://www.ksl.stanford.edu/projects/aquaint/TonyHall.daml#|::|TonyHallMeetsMubarak|) ?t2))