The crowd is gathered to watch a sporting event.
The crowd appears to be an angry mob.
The crowd isn't likely to be angry if they are attending an event.
exists e1 p1 x1.(n_crowd(x1) & Recipient(e1,p1) & Topic(e1,x1) & v_gather(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & n_event(x2) & a_sporting(s1) & Theme(s1,x2)))
exists e1 p1 x1.(n_crowd(x1) & Topic(e1,p1) & Actor(e1,x1) & v_appear(e1) & exists p2 s1 x2.((x1 = x2) & n_mob(x2) & a_angry(s1) & Theme(s1,x2)))