A group of people watching something.
A crowd is watching a parade.
Watching something does not imply watching a parade.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_watch(e1) & n_thing(x4) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_parade(x2) & n_crowd(x1))