TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: Troy, Family

PROBLEM: Sentence1: Lou's dad went fishing with his friends one Saturday a month. Sentence2: Lou always asked to go along but his dad said he was too little. Sentence3: Then one day, Lou's dad said he could go! Sentence4: He and his dad went out on a boat with fishing poles. Sentence5: He was very excited when he caught his first fish that day.

SOLUTION: His dad, Friends, Lou

PROBLEM: Sentence1: Anne and Sam were best friends. Sentence2: One day, Anne's family moved to a different town. Sentence3: Anne and Sam were sad to be separated. Sentence4: However, the girls realized they could still email and text every day. Sentence5: The girls remained best friends even with the distance.

SOLUTION:
Anne's family, Anne, Sam