A man without shirt is working with woods.
The man is wearing pants
You can not infer he is wearing pants.
exists e1 x1 x2.(with(e1,x2) & n_wood(x2) & Actor(e1,x1) & v_work(e1) & -exists x3.(with(x1,x3) & n_shirt(x3)) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_pants(x2))