A crowd gathers in the middle of a sporting event.
A crowd gathered during a basketball game.
We don't know that the sporting event is a basketball game.
exists e1 x1 x2 x3 x4.(n_middle(x3) & a_topic(x1) & in(x1,x3) & of(x3,x4) & n_event(x4) & Actor(e1,x4) & v_sport(e1) & n_gather(x1) & of(x1,x2) & n_crowd(x2))
exists e1 x1 x2 x3.(during(e1,x2) & n_game(x2) & of(x2,x3) & n_basketball(x3) & Actor(e1,x1) & v_gather(e1) & n_crowd(x1))