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: Tim wanted to go sledding for the first time. Sentence2: He wore his coat and hat. Sentence3: And put on his winter boots. Sentence4: He even put on a pair of snow leggings to protect his legs. Sentence5: He ran out the door but didn't actually have one thing, a sled.
A:
Tim