Girl is fishing by the calm lake.
A girl fishes in Canada.
The girl can be fishing somewhere other than Canada.
exists p1 s1 x1 x3.(n_lake(x3) & a_calm(s1) & Theme(s1,x3) & ne_nam_girl(x1) & exists x2.((x1 = x2) & by(x2,x3) & n_fishing(x2)))
exists e1 x1 x2.(ne_geo_canada(x2) & in(e1,x2) & Actor(e1,x1) & v_fish(e1) & n_girl(x1))