premise: A man is holding a book standing in front of a chalkboard.
hypothesis: A man is holding a dog standing in front of a chalkboard.
explanation_1: The man is either holding a dog or a book.
explanation_2: A book is not a dog.
explanation_3: A dog is not the same as a book, and a man is probably not holding both at the same time.
premise_logic: exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_chalkboard(x5) & n_front(x4) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_standing(x2) & of(x2,x3) & n_book(x3) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_chalkboard(x5) & n_front(x4) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_standing(x2) & of(x2,x3) & n_dog(x3) & n_man(x1))