Text this: The Set Chromatic Numbers of the Middle Graph of Tree Families

  ______     ___     _    _    __   __    _____   
 /_   _//   / _ \\  | \  / ||  \ \\/ //  / ____|| 
   | ||    | / \ || |  \/  ||   \ ` //  / //---`' 
  _| ||    | \_/ || | .  . ||    | ||   \ \\___   
 /__//      \___//  |_|\/|_||    |_||    \_____|| 
 `--`       `---`   `-`  `-`     `-`'     `----`