A black man playing a Yamaha keyboard.
The man is performing
just because a man is playing a Yamaha keyboard doesn't mean he is performing
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_keyboard(x3) & (x3 = x4) & ne_org_yamaha(x4) & (x1 = x2) & n_man(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_perform(e1))