Given the task definition and input, reply with output. 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.

Sentence1: Neil took a ferry to Hong Kong. Sentence2: The bay was beautiful in the moonlight. Sentence3: And the hundreds of tall factories caught his eye! Sentence4: Hong Kong was by far his favorite Chinese province. Sentence5: He couldn't wait to return!
Neil