A toddler eats a green apple in his playpen outside.
The toddler is flying a plane.
A toddler can not be flying a plane and eat in a playpen at the same time.
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 e1 x1 x2.(n_toddler(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_plane(x2))