A man holds a bird.
A man sits with a bird.
Holding a bird does not infer the man sits.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_bird(x2) & n_man(x1))
exists e1 x1 x2.(with(e1,x2) & n_bird(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))