A man is shining shoes.
A man shines shoes.
A man shines his shoes.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_shine(e1) & n_shoe(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_shine(e1) & n_shoe(x2) & n_man(x1))