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: Alvin's wife had been on a diet. Sentence2: He didn't like any of the food she had been cooking. Sentence3: Alvin would stop and pick up a burger on the way home from work. Sentence4: He ate very little of what she cooked. Sentence5: Alvin's wife lost weight, but he gained it.
[EX A]: Alvin, Wife

[EX Q]: Sentence1: Jan lived in an apartment in town. Sentence2: The apartment didn't have any air conditioning or fans. Sentence3: It was a hot and steamy afternoon. Sentence4: Jan decided to open a window to get some air moving. Sentence5: Now Jan's cats are missing.
[EX A]: Jan, Jan's cats

[EX Q]: Sentence1: The guy who saved my car had acted quickly. Sentence2: We decided to fish together and pool our knowledge. Sentence3: The fish like to hang out in a weedy area of the lake. Sentence4: He used one side and I got the other. Sentence5: Between use, we caught 40 bluegill.
[EX A]:
I (myself), Bluegill, Guy, The fish