People are on a roller coaster next to water.
People ride a roller coaster at Disneyland.
Roller coasters can be found in places other than Disneyland.
exists p1 x1.(exists x2 x3 x4 x5.(on(x1,x2) & to(x4,x5) & n_water(x5) & next(x2,x4) & n_thing(x4) & n_coaster(x2) & of(x2,x3) & n_roller(x3)) & n_people(x1))
exists e1 x1 x2 x3 x4.(ne_geo_disneyland(x4) & at(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_coaster(x2) & of(x2,x3) & n_roller(x3) & n_people(x1))