People are gathering in a street.
people are gathering for a community event.
Just because people are gathering in a street does not necessarily mean that they are gathering for a community event.
exists e1 x1 x2.(in(e1,x2) & n_street(x2) & Actor(e1,x1) & v_gather(e1) & n_people(x1))
exists e1 x1 x2 x3.(for(e1,x2) & n_event(x2) & of(x2,x3) & n_community(x3) & Actor(e1,x1) & v_gather(e1) & n_people(x1))