Detailed Instructions: 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.
Problem:Sentence1: Seal was having trouble with his Tampermonkey extension. Sentence2: It wouldn't open the mini dashboard when he clicked on it. Sentence3: Seal tried closing Chrome and restarting his computer. Sentence4: It still didn't work for him. Sentence5: Seal bought a new computer to fix the issue.
Solution:
Seal