Detailed Instructions: 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.
Q: Sentence1: Ben was riding his bike across the street. Sentence2: He was shaking a little bit since he took off the training wheels. Sentence3: A car was moving towards him. Sentence4: When he tried to move out of the way, he ran into a bush. Sentence5: The branches got caught between Ben and the bike.
A:
Car, Ben