People are standing while waiting to the exit area.
The people are sitting outside
People either have to be standing or sitting.
exists e2 e1 x1 x2 x3.(n_area(x2) & of(x2,x3) & n_exit(x3) & while(e1,e2) & to(e2,x2) & Actor(e2,x1) & v_wait(e2) & Actor(e1,x1) & v_stand(e1) & n_people(x1))
exists e1 p1 x1.(n_people(x1) & exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1))