Two girls are wearing life vests and hugging each other.
Two boys are skiing in the mountains alone.
Has to be either two girls wearing life vests or two boy skiing, cannot be both.
exists e1 x1 x2 x3 x4.(all x5.(n_other(x5) -> exists e2.(Theme(e2,x5) & Actor(e2,x4) & v_hug(e2))) & n_girl(x4) & card_eq_2(x4) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_vest(x2) & of(x2,x3) & n_life(x3) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_mountain(x2) & in(e1,x2) & r_alone(x2) & Actor(e1,x1) & v_ski(e1) & n_boy(x1) & card_eq_2(x1))