Q: 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: My autistic son refused to sleep in his own bed. Sentence2: He told me he needed to be covered better. Sentence3: I bought him a bunk bed hoping it would help. Sentence4: Instead, he saw a pop up tent that would zip around his bed. Sentence5: We put it on and he slept like a baby.
A:
I (myself), Son