Hikers walking along a rocky trail.
Climb ascend the mountain side.
Hikers do not always climb when walking a rocky trail.
exists e1 s1 x1 x2 x3.(a_topic(x1) & along(e1,x3) & n_trail(x3) & a_rocky(s1) & Theme(s1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_hiker(x1))
exists e1 x1 x2 x3.(n_side(x2) & of(x2,x3) & n_mountain(x3) & ne_per_climb(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ascend(e1))