A group of children and adults walk along a railroad track, flanked by two dogs.
A group of people are outdoors.
children and adults walk along a railroad track simply means people are outdoors
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(along(e1,x5) & Actor(e2,x8) & n_dog(x8) & card_eq_2(x8) & Theme(e2,x7) & v_flank(e2) & (x5 = x7) & n_track(x5) & of(x5,x6) & n_railroad(x6) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & subset_of(x4,x2) & n_adult(x4) & subset_of(x3,x2) & n_child(x3) & n_group(x1))
exists p1 x1 x2.(exists x3.((x1 = x3) & n_outdoors(x3)) & of(x1,x2) & n_people(x2) & n_group(x1))