A boy watches a street performance with his hands on his hips.
The boy joined in the performance.
Sentence 1 is missing joined in the performance.
exists e1 x1 x2 x3 x4 x5.(with(e1,x4) & on(x4,x5) & n_hip(x5) & of(x5,x1) & n_male(x1) & n_male(x1) & n_hand(x4) & of(x4,x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_performance(x2) & of(x2,x3) & n_street(x3) & n_boy(x1))
exists e1 x1 x2.(n_performance(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1) & v_join(e1))