Man and a child in gray pajamas playing with a model car track.
A dog fetches a stick.
one is a man and child playing and the other is a dog , dogs are animals and the others are humans so they cannot be both.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & with(e1,x5) & n_track(x5) & of(x5,x7) & n_car(x7) & of(x5,x6) & n_model(x6) & Actor(e1,x4) & v_play(e1) & (x3 = x4) & n_pajamas(x3) & a_gray(s2) & Theme(s2,x3) & n_child(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fetch(e1) & n_stick(x2) & n_dog(x1))