A person walks across a stoned path.
The person is going hiking.
walks across a path does not imply going hiking.
exists e1 e2 x1 x2.(across(e1,x2) & n_path(x2) & Theme(e2,x2) & v_stone(e2) & Actor(e1,x1) & v_walk(e1) & n_person(x1))
exists e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & n_hiking(x2))