People are walking in front of a fenced area.
A woman climbs an inactive volcano.
People walking is not a woman climbing.
exists e1 s1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_area(x3) & a_fenced(s1) & Theme(s1,x3) & n_front(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_volcano(x2) & a_inactive(s1) & Theme(s1,x2) & n_woman(x1))