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: Molly turned 5 Year's old today. Sentence2: To celebrate the day, her parents took her to the zoo. Sentence3: She has seen many animals in her books but never in person. Sentence4: She loved seeing all of these animals especially the giraffes. Sentence5: This was her best birthday so far.
Output:
Animals, Parents, Molly, Giraffes