Three people standing in front on a table.
Two people are sitting in chairs.
There can either be three people or two people. Standing and sitting are different actions.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_table(x4) & in(e1,x3) & n_front(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))