Several people are gathered and watching an event.
The people are watching the event.
People are watching the event is a rephrasing of people are watching an event
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x3) & Theme(e2,x5) & Actor(e2,x4) & v_watch(e2) & n_event(x5) & (x3 = x4) & n_people(x3) & a_several(s2) & Theme(s2,x3) & a_topic(x1) & Theme(e1,x2) & v_gather(e1) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_event(x2) & n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1))