A man playing a keyboard and singing into a microphone.
A man is performing with his keyboard.
Just because that a man playing a keyboard and singing into a microphone does not mean the man is performing with his keyboard.
exists e2 e1 x1 x2 x3 x4 x5.(a_topic(x1) & into(e2,x5) & n_microphone(x5) & Actor(e2,x4) & v_sing(e2) & (x1 = x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_keyboard(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(with(e1,x2) & n_keyboard(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_perform(e1) & n_man(x1))