A man walks near mountains.
A man hiking towards a mountain.
Walk does not imply hiking and near does not imply towards.
exists e1 x1 x2.(near(e1,x2) & n_mountain(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & towards(e1,x3) & n_mountain(x3) & Actor(e1,x2) & v_hike(e1) & (x1 = x2) & n_man(x1))