People are walking in the city during the evening.
In the evening people are walking in the city.
People are walking in the evening in the city.
exists e1 x1 x2 x3.(n_evening(x3) & n_city(x2) & during(e1,x3) & in(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e1 x1 x2 x3.(n_evening(x3) & n_city(x2) & in(e1,x3) & in(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))