A crowd surrounds a grounded hot air balloon.
Crowd at a baseball game
The crowd isn't at a baseball game if they surround a hot air balloon.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_surround(e1) & n_balloon(x2) & of(x2,x3) & n_air(x3) & a_hot(s2) & Theme(s2,x2) & a_grounded(s1) & Theme(s1,x2) & n_crowd(x1))
exists x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_game(x2) & of(x2,x3) & n_baseball(x3) & n_crowd(x1))