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.

[EX Q]: Sentence1: Susie was having a costume party. Sentence2: She invited all of her friends. Sentence3: She dressed up as a cat. Sentence4: Her friends loved it. Sentence5: Susie ended up winning the costume contest at the party.
[EX A]: Susie, Her friends

[EX Q]: Sentence1: Sheena fell asleep last night with gum in her mouth. Sentence2: The gum must have fallen out while she was sleeping. Sentence3: When she woke up this morning she had the gum stuck in her hair. Sentence4: Her mom had to cut the gum out of hair. Sentence5: Sheena's hair looks funny now.
[EX A]: Sheena, Her mom

[EX Q]: Sentence1: Mario and his friends always loved going to the movies. Sentence2: One of their favorite movies was getting re-released. Sentence3: He decided it would be awesome if they all went at opening night. Sentence4: They bought their tickets well in advance to avoid them selling out. Sentence5: The movie was amazing and they had a great time.
[EX A]:
Mario, Friends