A band performing on stage.
A guitar player strums his instrument on the street corner, begging for change.
Someone does not perform on a stage and street corner at the same time
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 e2 x1 x2 x3 x4 x5 x6.(n_corner(x4) & of(x4,x5) & n_street(x5) & for(e1,e2) & for(e2,x6) & n_change(x6) & Actor(e2,x1) & v_beg(e2) & Theme(e1,x3) & Actor(e1,x1) & v_strum(e1) & on(x3,x4) & n_instrument(x3) & of(x3,x1) & n_male(x1) & n_player(x1) & of(x1,x2) & n_guitar(x2))