A group of people are looking at the river.
there is people path at the river
People don't refer to a river or looking at a river as a path.
exists e1 x1 x2 x3.(n_river(x3) & at(e1,x3) & Actor(e1,x1) & v_look(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1 x3.(n_river(x3) & exists x2.((x1 = x2) & n_path(x2) & at(x2,x3) & n_people(x2)))