A wet boy stands under an umbrella.
A child is standing in the rain without an umbrella.
One cannot be without an umbrella yet stand under umbrella at the same time.
exists e1 s1 x1 x2.(under(e1,x2) & n_umbrella(x2) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & a_wet(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_rain(x2) & -exists x3.(with(e1,x3) & n_umbrella(x3)) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_child(x1))