Two girls in bathing suits are standing in the water facing each other.
Two sisters in bathing suits are standing in the water facing each other.
Two girls doesn't imply that they are sisters
exists e1 x1 x2 x3 x4 x5.(n_water(x4) & in(e1,x4) & all x6.(n_other(x6) -> exists e2.(Theme(e2,x6) & Actor(e2,x5) & v_face(e2))) & (x4 = x5) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_bathing(x3) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(n_water(x4) & in(e1,x4) & all x6.(n_other(x6) -> exists e2.(Theme(e2,x6) & Actor(e2,x5) & v_face(e2))) & (x4 = x5) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_bathing(x3) & n_sister(x1) & card_eq_2(x1))