story: My mom was so upset after losing our first family dog. She missed having a dog around for years. My dad and I decided to surprise her one day with a new puppy. When my mom first saw the puppy, she cried happily. The puppy is my mom's new best friend.
 selected sentence: The puppy is my mom's new best friend.
My mom like(s) the puppy >Motivates> The puppy is my mom's new best friend