A black dog holds a tire and a ball in his mouth as another follows him.
There are two dogs.
If there is a dog and another follows him, then there are two dogs.
exists e1 p1 s1 x1 x2 x3 x4 x5.(exists e2 x6.(Theme(e2,x1) & Actor(e2,x6) & v_follow(e2) & n_thing(x6)) & n_male(x1) & n_male(x1) & as(e1,p1) & in(e1,x5) & n_mouth(x5) & of(x5,x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & subset_of(x4,x2) & n_ball(x4) & subset_of(x3,x2) & n_tire(x3) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1 x2.((x1 = x2) & n_dog(x2) & card_eq_2(x2))