A man is playing the saxophone.
The man teaches how to play an instrument
just because a man is playing an instrument doesnt mean he is teaching someone else to play.
exists e1 x1 x2.(n_saxophone(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Topic(e1,x2) & Actor(e1,x1) & v_teach(e1) & n_manner(x2) & exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_instrument(x4)))