A man sitting in a chair playing a drum like instrument.
A man playing a rock song on drums.
Playing a drum does not indicate playing a rock song necessarily.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_play(e2) & like(x4,x5) & n_instrument(x5) & n_drum(x4) & in(e1,x3) & n_chair(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & on(x3,x5) & n_drum(x5) & n_song(x3) & of(x3,x4) & n_rock(x4) & (x1 = x2) & n_man(x1))