A young laughing girl and a boy are playing on a big drum.
A girl is laughing at the boy on the big drum.
The girl is not necessarily laughing at the boy.
exists e1 s1 s2 x1 x2 x3 x4 x5.(on(e1,x5) & n_drum(x5) & a_big(s2) & Theme(s2,x5) & Actor(e1,x1) & v_play(e1) & subset_of(x4,x1) & n_boy(x4) & subset_of(x2,x1) & n_girl(x2) & of(x2,x3) & n_laughing(x3) & a_young(s1) & Theme(s1,x2))
exists e1 s1 x1 x2 x3.(n_drum(x3) & a_big(s1) & Theme(s1,x3) & n_boy(x2) & at(e1,x2) & on(x2,x3) & Actor(e1,x1) & v_laugh(e1) & n_girl(x1))