Three people sit waiting in a lobby.
People wait in a lobby.
People wait in a lobby are three in number
exists e2 e1 x1 x2.(for(e1,e2) & in(e2,x2) & n_lobby(x2) & Actor(e2,x1) & v_wait(e2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(in(e1,x2) & n_lobby(x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1))