A fellow in a green shirt plays a xylophone.
The guy plays an instrument.
a fellow is a guy and an xylophone is an instrument
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_xylophone(x3) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_fellow(x1))
exists e1 x1 x2.(n_guy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2))