Many people are dancing outside at night under hanging lights.
People are line dancing.
Not all dancing is line dancing.
exists e1 s1 x1 x2 x3 x4.(under(e1,x3) & n_light(x3) & of(x3,x4) & n_hanging(x4) & at(e1,x2) & n_night(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_dance(e1) & n_people(x1) & n_quantity(x1))
exists p1 x1.(exists x2 x3.((x1 = x2) & n_dancing(x2) & of(x2,x3) & n_line(x3)) & n_people(x1))