Two dogs wrestle in a field.
Two dogs are chasing rabbits
Dogs can't wrestle and chase rabbits at the same time.
exists e1 x1 x2.(in(e1,x2) & n_field(x2) & Actor(e1,x1) & v_wrestle(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_rabbit(x2) & n_dog(x1) & card_eq_2(x1))