A foreign family is walking along a dirt path next to the water.
A foreigner group of cousins hike along a trail next to a stream.
Sentence 1 does not indicate the family is a group of cousins, does not indicate that the walk is a hike (typically more strenuous), does not indicate that the dirt path is an established trail, and does not indicate that the water is a stream.
exists e1 s1 x1 x2 x3 x4 x5.(n_water(x5) & along(e1,x2) & to(x4,x5) & next(x2,x4) & n_thing(x4) & n_path(x2) & of(x2,x3) & n_dirt(x3) & Actor(e1,x1) & v_walk(e1) & n_family(x1) & a_foreign(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5 x6.(along(e1,x4) & to(x5,x6) & n_stream(x6) & next(x4,x5) & n_thing(x5) & n_trail(x4) & Actor(e1,x1) & v_hike(e1) & of(x1,x3) & n_cousin(x3) & n_group(x1) & of(x1,x2) & n_foreigner(x2))