Two dogs play with a ball in a field.
Dalmations are playing fetch.
Not all dogs are dalmations.
exists e1 x1 x2 x3.(with(e1,x2) & in(x2,x3) & n_field(x3) & n_ball(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1.(a_fetch(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dalmation(x1))