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.

Sentence1: Tom was at the beach with friends. Sentence2: He had too much fun and forgot to put sunscreen on. Sentence3: Within hours someone pointed out how red he was. Sentence4: Tom was severely sunburned. Sentence5: He had to leave and get special healing lotion.
Friends, Someone, Tom

Sentence1: My friend and I were bored yesterday. Sentence2: My friend suggested we play a video game. Sentence3: We decided to bet money on a video game. Sentence4: He beat me badly, but it was fun. Sentence5: I am upset I lost my money, but it was worth it.
I (myself), My friend

Sentence1: I wanted to be a baseball pitcher for the school's team. Sentence2: When I tried out for the team though the coach wouldn't let me pitch. Sentence3: He said I didn't throw fast enough. Sentence4: I worked on my pitching speed for the next year. Sentence5: The new year I tried out again and became the pitcher.
I (myself), The coach