A native american indian playing a musical instrument on a stage.
A Native American playing music.
Just because the Native American is playing music doesn't mean he is playing a musical instrument.
exists e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & on(x3,x4) & n_stage(x4) & n_instrument(x3) & a_musical(s3) & Theme(s3,x3) & (x1 = x2) & n_indian(x1) & a_american(s2) & Theme(s2,x1) & a_native(s1) & Theme(s1,x1))
exists s1 s2 x1 x2.(a_topic(x1) & n_music(x1) & of(x1,x2) & n_playing(x2) & a_american(s2) & Theme(s2,x1) & a_native(s1) & Theme(s1,x1))