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: My dog died last year from old age. Sentence2: He was buried under a huge pink rose bush. Sentence3: We buried him inside his favorite carrier, a red one. Sentence4: We placed a professionally made stone on his grave. Sentence5: The inscription said he was a dog with the heart of a lion.

Answer: I (myself), Dog

Question: Sentence1: Neil was touring Istanbul. Sentence2: He joined his tour group in the morning. Sentence3: Then he went with them from stop to stop. Sentence4: He learned so much about Turkish history. Sentence5: Neil really loved his tour through Istanbul!

Answer: Neil

Question: Sentence1: Tommy has a red balloon. Sentence2: It's his favorite color! Sentence3: But one day, the balloon lost it's air. Sentence4: Tommy was very sad. Sentence5: But he'll get a new balloon tomorrow, so it's not that bad.

Answer:
Tommy