A band is on stage performing.
A band is getting on the tour bus
stage  doesn't mean the same as bus
exists p1 x1.(exists x2 x3.(on(x1,x2) & n_perform(x2) & of(x2,x3) & n_stage(x3)) & n_band(x1))
exists e1 x1 x2 x3.(n_bus(x2) & of(x2,x3) & n_tour(x3) & on(e1,x2) & Actor(e1,x1) & v_get(e1) & n_band(x1))