Two thin women are talking.
Someone is wearing a blue shirt.
It's possible neither of the two women are wearing a blue shirt.
exists e1 s1 x1.(Actor(e1,x1) & v_talk(e1) & n_woman(x1) & a_thin(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_person(x1))