Two ladies are taking pictures and one is watching.
Four friends meet at a coffee house.
Two ladies with one observer makes three people which doesn't agree with the claim that there are four friends.
exists e1 e2 x1 x2 x3.(Actor(e2,x3) & v_watch(e2) & n_thing(x3) & card_eq_1(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_lady(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(at(e1,x2) & n_house(x2) & of(x2,x3) & n_coffee(x3) & Actor(e1,x1) & v_meet(e1) & n_friend(x1) & card_eq_4(x1))