A bunch of people in a city square going different places.
A bunch of people are walking in the same direction.
People cannot be going different places and be walking in the same direction the same time.
exists e1 x1 x2 x3 x4 x5 x6 x7.(n_place(x7) & a_topic(x1) & Theme(e1,x6) & Actor(e1,x5) & v_go(e1) & -(x6 = x7) & n_place(x6) & (x1 = x5) & in(x1,x3) & n_square(x3) & of(x3,x4) & n_city(x4) & of(x1,x2) & n_people(x2) & n_bunch(x1))
exists e1 s1 x1 x2 x3.(n_direction(x3) & a_same(s1) & Theme(s1,x3) & in(e1,x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_bunch(x1))