A person hikes down a snowy mountain.
The person is on vacation.
the person hiking on the mountain does not imply person is on vacation
exists e1 s1 s2 x1 x2.(a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_hike(e1) & n_mountain(x2) & a_snowy(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1.(n_person(x1) & exists x2.(on(x1,x2) & n_vacation(x2)))