A singer doing a stage dive into the crowd.
A rock star puts on a concert
A singer is not necessarily a rock star and a dive into the crowd does not imply puts on a concert.
exists e1 x1 x2 x3 x4 x5.(n_crowd(x5) & a_topic(x1) & into(e1,x5) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_dive(x3) & of(x3,x4) & n_stage(x4) & (x1 = x2) & n_singer(x1))
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_concert(x4) & Theme(e1,x3) & Actor(e1,x1) & v_put(e1) & n_thing(x3) & n_star(x1) & of(x1,x2) & n_rock(x2))