Definition: 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.
Input: Sentence1: Priya was a contestant in the spelling bee. Sentence2: She was nervous about competing. Sentence3: She had been studying for a while. Sentence4: When it was her turn, she spelled her words correctly. Sentence5: Priya ended up winning the entire spelling bee.
Output:
Priya