Two males and a female in front of a building having conversation.
There are three people.
Two males and a female equals three people.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & of(x3,x4) & Theme(e1,x6) & Actor(e1,x5) & v_have(e1) & n_conversation(x6) & (x4 = x5) & n_building(x4) & n_front(x3) & n_female(x2) & subset_of(x1,s1) & n_male(x1) & card_eq_2(x1))
exists p1 x1 x2.((x1 = x2) & n_people(x2) & card_eq_3(x2))