One black and white dog sleeps while the other two black and white dogs play with a plastic bag.
Two dogs sleep soundly and two dogs play wildly.
Just because two dogs are mentioned to be sleeping or playing, there may be more.
(-x)
exists e1 e2 s1 s2 x1 x2.(a_wildly(s2) & Manner(e2,s2) & Actor(e2,x2) & v_play(e2) & n_dog(x2) & card_eq_2(x2) & a_soundly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sleep(e1) & n_dog(x1) & card_eq_2(x1))