A group of people on a zig zagging path through the mountains
Human beings outside.
Human beings are people, and mountains are found outside.
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 s1 s2 x1 x2.(a_topic(x1) & Theme(s2,x2) & a_outside(s2) & (x1 = x2) & n_being(x1) & a_human(s1) & Theme(s1,x1))