A man and small boy are playing with a wooden toy track system on the floor.
The man and the boy are playing.
boy refers to small boy.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_floor(x7) & with(e1,x4) & on(x4,x7) & n_system(x4) & of(x4,x6) & n_track(x6) & of(x4,x5) & n_toy(x5) & a_wooden(s2) & Theme(s2,x4) & Actor(e1,x1) & v_play(e1) & n_boy(x3) & a_small(s1) & Theme(s1,x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3.(n_boy(x3) & n_man(x2) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & subset_of(x2,x1))