A person walks in front of a movie theater at night.
There is a person sitting.
A person either walks or is sitting.
exists e1 x1 x2 x3 x4 x5.(at(e1,x5) & n_night(x5) & in(e1,x2) & of(x2,x3) & n_theater(x3) & of(x3,x4) & n_movie(x4) & n_front(x2) & Actor(e1,x1) & v_walk(e1) & n_person(x1))
exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_person(x2))