A man with a yellow shirt is in front of a man playing a musical instrument.
A man plays an instrument.
man playing a musical instrument implies that he plays an instrument.
exists p1 s1 x1 x2.(exists e1 s2 x3 x4 x5 x6.(in(x1,x3) & of(x3,x4) & Theme(e1,x6) & Actor(e1,x5) & v_play(e1) & n_instrument(x6) & a_musical(s2) & Theme(s2,x6) & (x4 = x5) & n_man(x4) & n_front(x3)) & with(x1,x2) & n_shirt(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_man(x1))