A crowd is watching someone up on a pole at night.
Nobody is watching the person on the pole.
A crowd is not nobody.  A person is someone.
exists e1 s1 x1 x2 x3 x4.(at(e1,x4) & n_night(x4) & on(e1,x3) & n_pole(x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_person(x2) & n_crowd(x1))
exists x2 x3.(n_pole(x3) & n_person(x2) & -exists e1 x1.(on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_person(x1)))