premise: A person is sitting on the ground reading a book.
hypothesis: The book was on the ground.
explanation_1: If a person is sitting while reading a book, it might be in their lap, not on the ground.
premise_logic: exists e2 e1 x1 x2 x3 x4.(n_ground(x2) & on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_read(e2) & n_book(x4) & (x2 = x3) & Actor(e1,x1) & v_sit(e1) & n_person(x1))
hypothesis_logic: exists p1 x1 x2.(n_ground(x2) & n_book(x1) & on(x1,x2))
premise_sim: exists e2 e1 x1 x2 x3 x4.(v_sit(e1) & v_read(e2) & on(e1,x2) & n_person(x1) & n_ground(x2) & n_book(x4) & Theme(e2,x4) & Actor(e2,x3) & Actor(e1,x1) & (x2 = x3))
hypothesis_sim: exists x1 x2.(on(x1,x2) & n_ground(x2) & n_book(x1))