old people walking through the woods.
People are outdoors.
Old people are people and woods are outdoors.
exists e1 s1 x1 x2 x3.(n_wood(x3) & a_topic(x1) & through(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & a_old(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_people(x1))