A native american indian playing a musical instrument on a stage.
A Native American is playing a concert.
A Native American is playing a musical instrument in a concert on stage.
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 e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_concert(x2) & ne_nam_american(x1) & a_native(s1) & Theme(s1,x1))