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.
Input: Sentence1: I made creamy cauliflower soup for dinner last night. Sentence2: I started by sauteing some leek and onion together in a pot. Sentence3: I added some water and the first half of a head of cauliflower. Sentence4: After letting that cook for 15 minutes, I added the other half. Sentence5: Putting the mix in the blender made a creamy, delicious soup.
Output:
I (myself)