A young boy in a striped shirt is playing the piano.
A boy playing drums.
One cannot play the piano and drums at the same time.
exists e1 s1 s2 x1 x2 x3.(n_piano(x3) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_shirt(x2) & a_striped(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_drum(x3) & (x1 = x2) & n_boy(x1))