Q: 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.
Sentence1: Ike was trying to give Jen advice. Sentence2: The advice was good advice to help Jen get a boyfriend. Sentence3: Jen has never had a boyfriend. Sentence4: When Tom came and talked to Jen, she didn't follow Ike's advice. Sentence5: Jen doesn't listen, and will never have a boyfriend.
A:
Jen, Ike, Tom