premise: Two people signing books.
hypothesis: Two people in a bookstore.
explanation_1: Just because two people signing books does not indicate that they are in a bookstore.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_sign(e1) & n_book(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & in(x1,x2) & n_bookstore(x2) & n_people(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2 x3.(v_sign(e1) & n_people(x1) & n_book(x3) & card_eq_2(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1 x2.(n_people(x1) & n_bookstore(x2) & in(x1,x2) & card_eq_2(x1) & a_topic(x1))