Two girls are in a bathing suits.
The two sisters are going swimming
Sisters could wear other types of clothing to go swimming.
exists p1 x1.(exists x2 x3.(in(x1,x2) & n_suit(x2) & of(x2,x3) & n_bathing(x3)) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_sister(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & n_swimming(x2))