A man sleeps on the grass in a park.
A puppy is sitting.
The man is not a puppy
exists e1 x1 x2 x3.(n_grass(x2) & in(e1,x3) & n_park(x3) & on(e1,x2) & Actor(e1,x1) & v_sleep(e1) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_puppy(x1))