A man in a black shirt and black jeans is playing the guitar.
The woman is playing guitar.
There can be either a man or a woman.
exists e1 s1 s2 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_jeans(x4) & a_black(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_shirt(x3) & a_black(s1) & Theme(s1,x3) & n_man(x1))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2))