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: Ian ate some tacos before going back to work. Sentence2: He noticed a rumbling in his stomach. Sentence3: Ian ran to the bathroom. Sentence4: He was in the bathroom for almost an hour. Sentence5: Ian vowed not to eat from that taco truck again.
A:
Ian