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: My wife had a retirement party on September 3. Sentence2: She invited an ex coworker, Mary. Sentence3: Mary said she would come, but did not show. Sentence4: Mary later texted saying she had gone out drinking the day before. Sentence5: She did not get up until the party was over.
A:
I (myself), Mary, Wife