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.
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Question: Sentence1: Tina had never tried Pizza before. Sentence2: She had eaten healthy her entire life. Sentence3: So she decided to try a slice. Sentence4: When she tasted it it was amazing. Sentence5: Tina could not believe her tastebuds.

Answer: Tina

Question: Sentence1: Kia's mom called her out into the yard. Sentence2: Kia went, perplexed. Sentence3: But then she saw what her mom was pointing at. Sentence4: Her mouth fell open in awe. Sentence5: There was a rare and beautiful double rainbow overhead!

Answer: Kia, Kia's mom

Question: Sentence1: Lily had spent the last ten years taking care of her senile sick nana. Sentence2: At first she was bitter, but caring for Nana taught her compassion. Sentence3: Lily learned that a person's value is more than what they can do. Sentence4: Her grandmother finally died, having not spoken for 10 years. Sentence5: Lily never forgot the lessons her grandmother taught her.

Answer:
Nana, Lily