Spectators in sunglasses at an event.
There are people watching an event.
watching an event can mean at an event
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & at(x2,x3) & n_event(x3) & n_sunglass(x2) & n_spectator(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_watch(e1) & n_event(x4) & (x2 = x3) & n_people(x2))