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.
Q: Sentence1: We live in Cambridge, MA. Sentence2: The city recently banned plastic bags. Sentence3: Today my wife went shopping. Sentence4: She had to buy reusable bags. Sentence5: We will keep a supply of bags in our car from now on.
A:
The city, My wife