Two black dogs play with a toy.
Two dogs are playing.
Black dogs are dogs.  "Playing" is to emphasize they are doing it right now.
exists e1 s1 x1 x2.(with(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))