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: Tina went to the local fair. Sentence2: It was a brutally hot day. Sentence3: Tina did not like it. Sentence4: All of the sudden she got sick. Sentence5: She learned her lesson for coming.
Output:
Tina