Tourist speculating their surrounding at a pier.
Tourists are standing on a pier.
The tourist are at a pier so the tourist are standing on a pier.
exists e1 x1 x2 x3.(ne_nam_tourist(x1) & Theme(e1,x3) & Actor(e1,x1) & v_speculate(e1) & at(x3,x2) & n_pier(x2) & n_surround(x3) & of(x3,x2) & n_thing(x2))
exists e1 x1 x2.(on(e1,x2) & n_pier(x2) & Actor(e1,x1) & v_stand(e1) & n_tourist(x1))