People are outside at night.
It is very dark out.
Just because it is nighttime does not mean it is very dark.
exists s1 x1 x2.(at(s1,x2) & n_night(x2) & Theme(s1,x1) & a_outside(s1) & n_people(x1))
exists s1 s2 x1.(n_thing(x1) & r_very(s1) & a_out(s2) & Manner(s1,s2) & Theme(s1,x1) & a_dark(s1))