A large flock of pigeons is swarming at a man.
A flock of pigeons is attacking a man dressed in a pigeon costume.
Even though the pigeons are swarming at the man he may not be wearing a pigeon costume.
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_man(x3) & Actor(e1,x1) & v_swarm(e1) & of(x1,x2) & n_pigeon(x2) & n_flock(x1) & a_large(s1) & Theme(s1,x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(Theme(e2,x3) & Actor(e2,x1) & v_attack(e2) & in(e1,x5) & n_costume(x5) & of(x5,x6) & n_pigeon(x6) & Theme(e1,x4) & v_dress(e1) & (x3 = x4) & n_man(x3) & of(x1,x2) & n_pigeon(x2) & n_flock(x1))