Two ladies are cooking & talking and two gentlemen are talking in the opposite site of the kitchen.
The four people may be married.
Just because it's two ladies and two gentlemen doesn't mean they are married.
exists e1 e2 e3 s1 x1 x2 x3 x4 x5.(n_kitchen(x5) & n_site(x4) & a_opposite(s1) & Theme(s1,x4) & in(e3,x4) & of(x4,x5) & Actor(e3,x3) & v_talk(e3) & n_gentleman(x3) & card_eq_2(x3) & Actor(e2,x2) & v_talk(e2) & n_lady(x2) & card_eq_2(x2) & Actor(e1,x1) & v_cook(e1) & n_lady(x1) & card_eq_2(x1))
exists e1 p1 x1.(n_people(x1) & card_eq_4(x1) & exists e2.(Theme(e2,x1) & v_marry(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_may(e1))