A boy is playing in a room full of balls.
A boy is playing inside with some toys.
Not all balls are toys.
exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & of(s1,x4) & n_ball(x4) & Theme(s1,x3) & a_full(s1) & (x2 = x3) & n_room(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_toy(x2) & a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_boy(x1))