A man in a suit and black beret is playing the guitar.
A famous musician plays the guitar.
Not all musicians are famous.
exists e1 s1 x1 x2 x3 x4 x5.(n_guitar(x5) & Theme(e1,x5) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & subset_of(x4,x2) & n_beret(x4) & a_black(s1) & Theme(s1,x4) & subset_of(x3,x2) & n_suit(x3) & n_man(x1))
exists e1 s1 x1 x2.(n_guitar(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_musician(x1) & a_famous(s1) & Theme(s1,x1))