Definition: 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.
Input: Sentence1: Matthew was looking forward to the camping trip on Saturday. Sentence2: It had been raining hard all Friday. Sentence3: Matthew was worried the trip would be cancelled. Sentence4: He woke up early Saturday to check to weather. Sentence5: He was thrilled to see the sun was shining.
Output:
Matthew