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.

[EX Q]: Sentence1: Troy had not seen his family in years. Sentence2: Troy had been living in another country. Sentence3: He longed to see his family. Sentence4: He bought a plane ticket. Sentence5: He visited his family on Thanksgiving.
[EX A]: Troy, Family

[EX Q]: Sentence1: I had a few pesky trees in my yard. Sentence2: I bought a saw and gloves. Sentence3: I went back home and brought my tools. Sentence4: I walked over to the tree and began to cut it. Sentence5: I cut the tree down and put the tools away.
[EX A]: I (myself)

[EX Q]: Sentence1: Harry was hungry. Sentence2: He decided to eat a sandwich. Sentence3: He cooked a bagel. Sentence4: Then, he put some condiments on it. Sentence5: Then, he ate it.
[EX A]:
Harry