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: Andrew took some money to the lottery. Sentence2: He bought a lottery ticket. Sentence3: He waited till the winner was announced. Sentence4: He checked his ticket for his number. Sentence5: He won the lottery!
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Andrew