positive  hardcover  novel     nocolor  popular  long
positive  softcover  textbook  nocolor  popular  long
negative  softcover  novel     nocolor  popular  short
positive  hardcover  textbook  color    popular  short
positive  hardcover  journal   color    unknown  short
negative  softcover  textbook  nocolor  unknown  short
positive  hardcover  journal   color    popular  long
negative  softcover  novel     color    unknown  short

softcover  journal   color    popular  short
softcover  novel     nocolor  unknown  long
hardcover  textbook  nocolor  unknown  short