premise: A man is on the back of his friend.
hypothesis: A woman carries her young son on her back.
explanation_1: A man is not a woman.
explanation_2: The subject is either a man or woman.
explanation_3: The subject cannot be a man and woman simultaneously nor can the subject be on the back of a friend and carry someone on their back simultaneously.
premise_logic: exists p1 x1 x2 x3.(n_friend(x3) & of(x3,x2) & n_male(x2) & n_back(x2) & on(x1,x2) & of(x2,x3) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(on(e1,x3) & n_back(x3) & of(x3,x1) & n_female(x1) & n_female(x1) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_son(x2) & a_young(s1) & Theme(s1,x2) & of(x2,x1) & n_woman(x1))
premise_sim: exists x1 x2 x3.(on(x1,x2) & of(x3,x2) & of(x2,x3) & n_man(x1) & n_male(x2) & n_friend(x3) & n_back(x2))
hypothesis_sim: exists e1 s1 x1 x2 x3.(v_carry(e1) & on(e1,x3) & of(x3,x1) & of(x2,x1) & n_woman(x1) & n_son(x2) & n_female(x1) & n_back(x3) & a_young(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))