A man wearing a white shirt is washing the outside window on the front of an airplane.
The shirt is white
A man's white shirt washing the outside is much whiter than the airplane.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_front(x5) & n_window(x4) & a_outside(s2) & Theme(s2,x4) & Theme(e2,x4) & Actor(e2,x1) & v_wash(e2) & on(x4,x5) & of(x5,x6) & n_airplane(x6) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists s1 x1.(n_shirt(x1) & Theme(s1,x1) & a_white(s1))