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: Jon and his father were going hunting in the woods. Sentence2: They saw a deer through the bushes. Sentence3: Trying to keep quiet, they inched towards it. Sentence4: Jon stepped on a branch, and the deer was scared off. Sentence5: The deer would live another day.
A deer, Jon, Father

Sentence1: Sandy's teacher assigned each student to do a book review. Sentence2: She gave Sandy three choices for her books. Sentence3: After looking over the list, Sandy chose the book about Abe Lincoln. Sentence4: She went to the library to check it out. Sentence5: After reading the book, it was easy for Sandy to write her review.
Other students, Teacher, Student, Sandy