a person walks near a fence.
Someone is walking
walks almost the same as  is walking
exists e1 x1 x2.(near(e1,x2) & n_fence(x2) & Actor(e1,x1) & v_walk(e1) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_person(x1))