Russian Blue cats, known for their plush silver-blue coat and green eyes, are intelligent, playful, and emotional creatures. Russian Blues are loyal, devoted, and affectionate to their owners, and tend to be shy toward strangers. Even though their voices are softer in volume, they are still extremely vocal cats. Russian Blues enjoy playing fetch, which is not often found with other cat breeds. They can be trained for tricks and enjoy kicking balls around for play. Which of the following best describes the author's purpose?