story: Caley was reading a book in the bathtub. She dropped the book in the water. The book was soaking wet. Caley tried to let the book dry out, but it didn't work. Caley had to buy a new book to finish reading it.
 selected sentence: Caley had to buy a new book to finish reading it.
Caley feel(s) interested >Motivates> Caley buys a new book to finish reading it