Boy wearing a gray sweatshirt playing with a toy airplane.
Boy playing with a toy airplane.
It can be inferred that the boy is, in fact, playing with a toy airplane.
exists e1 e2 s1 x1 x2 x3 x4 x5.(ne_nam_boy(x1) & Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & with(e1,x4) & n_airplane(x4) & of(x4,x5) & n_toy(x5) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_sweatshirt(x2) & a_gray(s1) & Theme(s1,x2))
exists x1 x2 x3 x4.(a_topic(x1) & with(x1,x3) & n_airplane(x3) & of(x3,x4) & n_toy(x4) & n_playing(x1) & (x1 = x2) & ne_nam_boy(x2))