People at an Asian street vendor at night.
 People at an Asian street vendor at midnight.
Just because it is night, doesn't mean it's midnight.
exists s1 x1 x2 x3 x4.(a_topic(x1) & at(x1,x2) & at(x2,x4) & n_night(x4) & n_vendor(x2) & of(x2,x3) & n_street(x3) & a_asian(s1) & Theme(s1,x2) & n_people(x1))
exists s1 x1 x2 x3 x4.(a_topic(x1) & at(x1,x2) & at(x2,x4) & n_midnight(x4) & n_vendor(x2) & of(x2,x3) & n_street(x3) & a_asian(s1) & Theme(s1,x2) & n_people(x1))