A brown and white dog is playing in a pool with a man.
A dog is playing fetch in a pool.
Just because a dog is playing in the pool it does not mean the dog is playing fetch.
exists e1 s1 s2 x1 x2 x3.(with(e1,x3) & n_man(x3) & in(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_pool(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_fetch(x2) & n_dog(x1))