A man playing an instrument.
The man is giving a musical perfomance.
A man playing an instrument doesn't imply that he is giving a musical performance.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_instrument(x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_perfomance(x2) & a_musical(s1) & Theme(s1,x2))