The black dog is catching a ball, while the white one watches.
a dog has a ball in its mouth because it is hungry
A dog doesn't have to be hungry to catch a ball.
exists e1 s1 s2 x1 x2 x3.(n_watch(x3) & card_eq_1(x3) & a_white(s2) & Theme(s2,x3) & n_dog(x1) & a_black(s1) & Theme(s1,x1) & while(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_ball(x2))
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_hungry(s1)) & n_thing(x1) & n_thing(x1) & because(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & in(x2,x3) & n_mouth(x3) & of(x3,x1) & n_ball(x2) & n_dog(x1))