premise: A lady reading a story book.
hypothesis: A story book is open.
explanation_1: If a lady is reading a story book then the story book is open.
explanation_2: Since the lady is reading a story book thus the book is open.
explanation_3: If someone is reading a book, the book must be open.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_read(e1) & n_book(x3) & of(x3,x4) & n_story(x4) & (x1 = x2) & n_lady(x1))
hypothesis_logic: exists s1 x1 x2.(Theme(s1,x1) & a_open(s1) & n_book(x1) & of(x1,x2) & n_story(x2))