A group of people on a zig zagging path through the mountains
People on a walking tour through the mountains.
not every mountain path is a walking tour
exists e1 x1 x2 x3 x4 x5 x6.(n_mountain(x6) & a_topic(x1) & through(e1,x6) & Theme(e1,x5) & Actor(e1,x4) & v_zag(e1) & n_path(x5) & (x1 = x4) & on(x1,x3) & n_zig(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists x1 x2 x3 x4.(n_mountain(x4) & a_topic(x1) & on(x1,x2) & through(x2,x4) & n_tour(x2) & of(x2,x3) & n_walking(x3) & n_people(x1))