premise: A young lady is sitting in a yard.
hypothesis: The woman is reading a book.
explanation_1: A woman does not have to be young or a lady.  Just because a lady is sitting in a yard it does not mean she is reading a book.
premise_logic: exists e1 s1 x1 x2.(in(e1,x2) & n_yard(x2) & Actor(e1,x1) & v_sit(e1) & n_lady(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_book(x2))
premise_sim: exists e1 s1 x1 x2.(v_sit(e1) & n_yard(x2) & n_lady(x1) & in(e1,x2) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_read(e1) & n_woman(x1) & n_book(x2) & Theme(e1,x2) & Actor(e1,x1))