A little boy with a blue shirt on sitting on the ground playing with legos.
A little boy plays with some toys.
The boy plays with some legos, which are toys.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_playing(x4) & of(x4,x5) & n_ground(x5) & a_topic(x1) & with(x1,x2) & with(e1,x6) & n_lego(x6) & on(e1,x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_shirt(x2) & a_blue(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))