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: Jennifer decided to grill some corn one day. Sentence2: She went outside and preheated her grill. Sentence3: She peeled back the corn husks and removed silk. Sentence4: She then wrapped each ear of corn in aluminum foil. Sentence5: She placed them on the grill.
[EX A]: Jennifer

[EX Q]: Sentence1: Tyler decided to go to the casino on Saturday. Sentence2: He wanted to mostly play slots. Sentence3: He spent about four hours on slot machines. Sentence4: After losing, he decided to pull more money from his bank account. Sentence5: Overall, he lost one hundred dollars on his casino night.
[EX A]: Tyler

[EX Q]: Sentence1: Tom bought an item on ebay. Sentence2: The seller never shipped it out. Sentence3: Tom tried to contact him. Sentence4: Unfortunately there was no response. Sentence5: Tom had to dispute the claim through ebay.
[EX A]:
Seller, Tom