A toddler eats a green apple in his playpen outside.
A toddler has nothing to eat.
If a toddler eats a green apple, then it's not true that he has nothing to eat.
exists e1 s1 x1 x2 x3 x4.(in(e1,x3) & n_outside(x3) & of(x3,x4) & n_playpen(x4) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_apple(x2) & a_green(s1) & Theme(s1,x2) & n_toddler(x1))
exists x1.(-exists e1 p1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & Topic(x2,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_eat(e2) & n_thing(x3)) & n_thing(x2)) & n_toddler(x1))