A DJ at a club making sure the sound is good with two ladies behind him watching.
There is no one watching.
There are either two ladies or there is no one.
exists e1 p1 s1 x1 x2 x3.(n_male(x3) & n_sound(x3) & a_topic(s1) & at(s1,x1) & exists e2 p2.(exists e3 s2 x4.(for(s2,e3) & Actor(e3,x3) & v_watch(e3) & with(s2,x4) & behind(x4,x3) & n_lady(x4) & card_eq_2(x4) & Theme(s2,x3) & a_good(s2)) & Topic(e2,p2) & Actor(e2,x2) & v_sure(e2)) & Topic(e1,p1) & Actor(e1,x2) & v_make(e1) & (x1 = x2) & n_club(x1) & ne_org_dj(s1))
exists p1 x1.-exists x2 x3.((x1 = x2) & n_watching(x2) & of(x2,x3) & n_one(x3))