premise: Four men in red vests with crosses on them ski on a mountain.
hypothesis: The friends are sitting in a coffee shop.
explanation_1: One cannot ski on a mountain while sitting in a coffee shop.
explanation_2: You  cannot be skiiing on a mountain and sitting in a coffee shop at the same time.
explanation_3: The men cannot be both in a coffee shop and on a mountain at the same time.
premise_logic: exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & n_mountain(x4) & Actor(e1,x1) & v_ski(e1) & with(x1,x3) & on(x3,x1) & n_thing(x1) & n_cross(x3) & in(x1,x2) & n_vest(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1) & card_eq_4(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_friend(x1) & in(e1,x2) & n_shop(x2) & of(x2,x3) & n_coffee(x3) & Actor(e1,x1) & v_sit(e1))