a little boy at the beach with a surfboard
a little boy is at the beach.
A boy at the beach with a surfboard is the same thing as a boy is at the beach.
exists s1 x1 x2 x3.(n_beach(x2) & a_topic(x1) & at(x1,x2) & with(x2,x3) & n_surfboard(x3) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists p1 s1 x1 x2.(n_beach(x2) & at(x1,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))