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: My wife went to a party. Sentence2: They were selling cleaning supplies there. Sentence3: She liked it so much that she bought some. Sentence4: We tried it on the Windows and loved it. Sentence5: We then bought some more since we enjoyed it.
[EX A]: I (myself), Wife

[EX Q]: Sentence1: James had two best friends who hated each other. Sentence2: He could never see them together but always apart. Sentence3: For his birthday, he made an exemption and invited them both. Sentence4: It was a gamble, but it worked. Sentence5: The two friends went over their disagreement for the sake of James.
[EX A]: James, Best friends

[EX Q]: Sentence1: I hated rock music. Sentence2: One day, my friend introduced me to post rock. Sentence3: It was actually pretty good! Sentence4: I asked him for more post rock bands. Sentence5: I was eventually obsessed with post rock music!
[EX A]:
I (myself), My friend