People are walking on the street in front of tall buildings at nighttime.
The nightlife is active.
Just because people are walking at night among tall building doesn't mean that the nightlife is active.
exists e1 s1 x1 x2 x3 x4 x5.(n_street(x2) & at(e1,x5) & n_nighttime(x5) & in(e1,x3) & of(x3,x4) & n_building(x4) & a_tall(s1) & Theme(s1,x4) & n_front(x3) & on(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists s1 x1.(n_nightlife(x1) & Theme(s1,x1) & a_active(s1))