A white dog is playing with a plastic bag.
A white dog is chewing a plastic bag.
Not all dog playing with a plastic bag is chewing.
exists e1 s1 s2 x1 x2.(with(e1,x2) & n_bag(x2) & a_plastic(s2) & Theme(s2,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_chew(e1) & n_bag(x2) & of(x2,x3) & n_plastic(x3) & n_dog(x1) & a_white(s1) & Theme(s1,x1))