premise: A young woman and some friends at a party.
hypothesis: A man and his brother driving by the beach.
explanation_1: The woman was with her friends whereas the man is with his brother.  The woman was at a party and the man was simply driving by a beach.
explanation_2: There can be either a woman or a man. He/she can either be with friends or a brother.
explanation_3: A woman isn't a man.
premise_logic: exists s1 s2 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & at(x2,x3) & n_party(x3) & n_friend(x2) & subset_of(x1,s1) & n_woman(x1) & a_young(s2) & Theme(s2,x1))
hypothesis_logic: exists s1 x1 x2 x3 x4.(n_beach(x4) & a_topic(s1) & subset_of(x2,s1) & by(x2,x4) & n_driving(x2) & of(x2,x3) & n_brother(x3) & of(x2,x1) & n_male(x1) & subset_of(x1,s1) & n_man(x1))