A little boy stands in the surf.
There is a boy a white-sand beach.
Just because the boy is standing in the surf does not mean there is a white-sand beach.
exists e1 s1 x1 x2.(n_surf(x2) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists p1 x1.all x2 s1.((n_beach(x2) & a_white-sand(s1) & Theme(s1,x2)) -> exists x3.((x1 = x3) & for(x3,x2) & n_boy(x3)))