A large crowd walks in the same direction.
Spectators watch a football game.
Spectators who are watching a game do not walk.in the same direction
exists e1 s1 s2 x1 x2.(n_direction(x2) & a_same(s2) & Theme(s2,x2) & in(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_crowd(x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_game(x2) & of(x2,x3) & n_football(x3) & n_spectator(x1))