A person is riding in a boat on a lake.
A woman is fishing from a pier.
Is she riding or fishing
exists e1 x1 x2 x3.(in(e1,x2) & on(x2,x3) & n_lake(x3) & n_boat(x2) & Actor(e1,x1) & v_ride(e1) & n_person(x1))
exists e1 x1 x2.(from(e1,x2) & n_pier(x2) & Actor(e1,x1) & v_fish(e1) & n_woman(x1))