A rock band is playing for a crowd.
The people are outdoors.
A lot of bands dont play outdoors.
exists e1 x1 x2 x3.(for(e1,x3) & n_crowd(x3) & Actor(e1,x1) & v_play(e1) & n_band(x1) & of(x1,x2) & n_rock(x2))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))