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.
Input: Sentence1: Jim and his friend were hiking through the woods. Sentence2: Unfortunately, they saw a huge grizzly bear in the distance. Sentence3: Jim and his friend stood close to each other. Sentence4: They walked slowly away from the direction of the grizzly bear. Sentence5: They exited out of the woods and breathed a sigh of relief.
Output:
Jim, Grizzly bear, Jim and his friend