Lisa stops eating chocolates

Lisa and Sherry are sisters. Both of them are very close to each other. Both the sisters go to the same school. Lisa is very fond of chocolates and Sherry likes fruits. Lisa has a pain in her gums as she eats many chocolates. Sherry eats fruits, her teeth are good. She had also been to a dentist. The dentist said that Lisa has a cavity in her gums. He pulled out her bad teeth. He also gave her medicine to get well soon. The dentist also asked her not to eat many chocolates. Lisa promised the dentist that she will not eat a lot of chocolates anymore. Even Lisa has started eating fruits like her sister now.