A musician plays a guitar on stage in a venue.
A person play an instrument on stage.
Musician implies play a person play an instrument.
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_venue(x4) & on(e1,x3) & n_stage(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_musician(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_person(x1))