premise: Two friends bike down a hill.
hypothesis: Two boys on a hill.
explanation_1: Not all friends are boys.
premise_logic: exists x1 x2 x3.(a_topic(x1) & down(x1,x3) & n_hill(x3) & n_bike(x1) & of(x1,x2) & n_friend(x2) & card_eq_2(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & on(x1,x2) & n_hill(x2) & n_boy(x1) & card_eq_2(x1))
premise_sim: exists x1 x2 x3.(of(x1,x2) & n_hill(x3) & n_friend(x2) & n_bike(x1) & down(x1,x3) & card_eq_2(x1) & a_topic(x1))
hypothesis_sim: exists x1 x2.(on(x1,x2) & n_hill(x2) & n_boy(x1) & card_eq_2(x1) & a_topic(x1))