Sentence1: When I first met Janice, she didn't know how to crack a walnut. Sentence2: I couldn't believe she had gotten this far in life without this skill. Sentence3: I offered to teach her many methods to crack nuts. Sentence4: She accepted. 
 (A) Janice decided she didn't want to learn how to crack walnuts. (B) Janice is now an expert walnut cracker.
B