A band performing on stage.
A rock band is performing their hit single onstage.
It does not indicate a rock band or whether they are performing their hit single.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stage(x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_band(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_onstage(x3) & a_single(s1) & Theme(s1,x3) & of(x3,x4) & n_hit(x4) & of(x3,x1) & n_thing(x1) & n_band(x1) & of(x1,x2) & n_rock(x2))