The dog ran in the field.
The cat sleeps in the field.
A dog is not a cat, running is not sleeping
exists e1 x1 x2.(n_field(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_run(e1))
exists e1 x1 x2.(n_field(x2) & n_cat(x1) & in(e1,x2) & Actor(e1,x1) & v_sleep(e1))