A young, asian child sitting on its parents' shoulders, clapping.
A child claps while sitting on an adult's shoulders.
Sentence 2 describes in lesser detail about the child the fact that the child is on the adult's shoulders and clapping whilst doing so.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Actor(e2,x2) & v_clap(e2) & on(e1,x4) & n_shoulder(x4) & of(x4,x3) & n_parent(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_child(x1) & a_asian(s3) & Theme(s3,x1) & a_,(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5 x6.(while(x6,e1) & n_event(x6) & for(e1,x1) & on(e1,x5) & n_shoulder(x5) & of(x5,x4) & n_adult(x4) & Actor(e1,x3) & v_sit(e1) & n_thing(x3) & n_clap(x1) & of(x1,x2) & n_child(x2))