Two brown dogs playing.
There are some animals.
Dogs are a type of animal.
exists e1 s1 x1.(Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1 x2.((x1 = x2) & n_animal(x2))