People walk through a square.
People walking outside.
a square is the same as a outside
exists e1 x1 x2.(through(e1,x2) & n_square(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e1 s1 x1 x2.(a_topic(x1) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))