Several people walking by a group of colorful buildings.
Several people are walking in the city.
It cannot be assumed that the people are walking in the city.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & by(e1,x3) & of(x3,x4) & n_building(x4) & a_colorful(s2) & Theme(s2,x4) & n_group(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_city(x2) & in(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))