A man holds a bird.
A man holds an animal.
in a both sentence birds and animal is various
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_bird(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_animal(x2) & n_man(x1))