You will be given a definition of a task first, then some input of the task.
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: Tim had severe social anxiety. Sentence2: He tried going to Subway. Sentence3: He wanted to get a specific sandwich. Sentence4: He got overwhelmed by so many questions. Sentence5: Tim wound up answering wrong and getting a different sub.
Output:
Tim