Two dogs run through a field.
Two dogs lie on the porch.
the dogs can not lie on the porch if they run through a field in sentence 1
exists e1 x1 x2.(through(e1,x2) & n_field(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_porch(x2) & on(e1,x2) & Actor(e1,x1) & v_lie(e1) & n_dog(x1) & card_eq_2(x1))