A boy playing a piano with music notes in front of him.
A boy is sleep.
Someone that is asleep cannot play a piano at the same time.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x6) & of(x6,x1) & n_male(x1) & n_front(x6) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & with(x3,x4) & n_note(x4) & of(x4,x5) & n_music(x5) & n_piano(x3) & (x1 = x2) & n_boy(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_sleep(x2)) & n_boy(x1))