system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Classify each of the following as either titles by Ann M. Martin or Gertrude Chandler Warner: Bummer Summer, Belle Teal, A Corner of the Universe, Ten Kids, No Pets, Everything for a Dog, Surprise Island, Blue Bay Mystery, Mystery Ranch, Benny Uncovers a Mystery, The Boxcar Children


assistant
Ann M. Martin: Bummer Summer, Belle Teal, A Corner of the Universe, Ten Kids, No Pets, Everything for a Dog
Gertrude Chandler Warner: Surprise Island, Blue Bay Mystery, Mystery Ranch, Benny Uncovers a Mystery, The Boxcar Children