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: Ella wrote her grandma a letter. Sentence2: She went to the post office to mail it. Sentence3: But they told her she needed a stamp! Sentence4: A kind stranger gave little Ella the stamp. Sentence5: Ella happily posted her letter.
[EX A]: Ella, Stranger, Grandma

[EX Q]: Sentence1: I had a final exam. Sentence2: I decided to not go. Sentence3: My grade was high enough that I could skip the exam. Sentence4: Alas, I didn't read the syllabus correct. Sentence5: I failed the class because the final was worth more than I thought.
[EX A]: I (myself)

[EX Q]: Sentence1: Samantha went out driving one night. Sentence2: Along the way, a deer ran out in front of her car. Sentence3: Samantha slammed on the brakes, but it was too late. Sentence4: Her car was totaled and the deer was dead. Sentence5: Samantha was traumatized, and called 911.
[EX A]:
Samantha, Deer