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: The county of Rochester needed a new park. Sentence2: The county council couldn't decide where to put it though! Sentence3: They couldn't afford the landscaping for one in the old empty lots. Sentence4: So they went to the city and asked for help. Sentence5: The city was glad to help, and soon Rochester had a new park.
[EX A]: County council, City, County of rochester

[EX Q]: Sentence1: I found out my cat is pregnant. Sentence2: I had no idea why she was making all these funny noises. Sentence3: She would hide a lot under my bed. Sentence4: A friend told me this behavior was of a pregnant animal. Sentence5: I cannot wait to see the kittens.
[EX A]: I (myself), Friend, Cat

[EX Q]: Sentence1: I took a friend shopping a few hours ago. Sentence2: He asked me to take him so he could buy his cat some food. Sentence3: When he got there he bought cat food and also bought me a beer. Sentence4: He was very thankful that I took him. Sentence5: I like doing favors for him because he is a good friend.
[EX A]:
I (myself), A friend, Cat