A woman wearing jeans is doing a handstand on the beach.
The woman is at the beach.
" at the beach" is a rephrasing of " on the beach".
exists e2 e1 x1 x2 x3 x4 x5.(n_beach(x5) & Theme(e2,x4) & Actor(e2,x1) & v_do(e2) & on(x4,x5) & n_handstand(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jeans(x3) & (x1 = x2) & n_woman(x1))
exists p1 x1 x2.(n_beach(x2) & n_woman(x1) & at(x1,x2))