premise: Four people are on a ski slope.
hypothesis: The four people are friends.
explanation_1: Four people together does not imply they are friends.
premise_logic: exists p1 x1.(exists x2 x3.(on(x1,x2) & n_slope(x2) & of(x2,x3) & n_ski(x3)) & n_people(x1) & card_eq_4(x1))
hypothesis_logic: exists p1 x1.(n_people(x1) & card_eq_4(x1) & exists x2.((x1 = x2) & n_friend(x2)))
premise_sim: exists x1.(n_people(x1) & exists x2 x3.(on(x1,x2) & of(x2,x3) & n_slope(x2) & n_ski(x3)) & card_eq_4(x1))
hypothesis_sim: exists x1.(n_people(x1) & exists x2.(n_friend(x2) & (x1 = x2)) & card_eq_4(x1))