A crowd is watching a band perform on the sidewalk.
band on sidewalk
"Band perform on the sidewalk" is a "band on sidewalk".
exists e2 e1 x1 x2 x3 x4.(n_sidewalk(x4) & on(e2,x4) & Actor(e2,x1) & v_perform(e2) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_band(x3) & (x1 = x2) & n_crowd(x1))
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_sidewalk(x2) & n_band(x1))