In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
One example: Sentence1: My dog was bored. Sentence2: I was working all day so I couldn't spend time with him. Sentence3: When I finished work I decided to play with my dog. Sentence4: He was so happy to finally have some fun! Sentence5: Alas, he fell sick and died.
Solution is here: I (myself), Dog
Explanation: There is only two characters in given story, i.e., I (myself) and dog.

Now, solve this: Sentence1: Tom visited his mom one day. Sentence2: He noticed a lot of his old toys in his old room. Sentence3: There were several boxes. Sentence4: Tom decided to donate them to charity. Sentence5: He took them to goodwill.
Solution:
Tom, Mom