options: f : wow ! your mother is turning 90 this year . f : i did n't know that your mother is 91 already . f : so your mother is turning 89 next year , right ? f : so your mother is 89 years old , right ?
article: f : good morning , mister black . m : good morning . could you help me please ? i 'm looking for some books for my mother . f : ok. what kind of books is she interested in ? m : she 's very fond of romantic love stories . f : i see . what about this one ? has she read it before ? m : i 'm not sure . but she probably wo n't remember the story even if she has . she 's very forgetful . f : how old is she ? m : she 'll be 90 next year .