Two dogs swimming in a pool.
A man eats a microwaved burrito.
Two dogs and a man are not the same subject
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_pool(x3) & Actor(e1,x2) & v_swim(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_burrito(x2) & a_microwaved(s1) & Theme(s1,x2) & n_man(x1))