A guy in a Hawaiian shirt plays guitar.
a man is playing guitar.
The guy need not be a man, he could be a little boy.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & in(x1,x2) & n_shirt(x2) & a_hawaiian(s1) & Theme(s1,x2) & n_guy(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))