Several people wearing orange vests are walking along the railroad tracks.
The people are walking along the bustop.
The bustop would not be along the railroad tracks
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_track(x5) & of(x5,x6) & n_railroad(x6) & along(e2,x5) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_vest(x3) & of(x3,x4) & n_orange(x4) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_bustop(x2) & n_people(x1) & along(e1,x2) & Actor(e1,x1) & v_walk(e1))