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: Myron had wanted a new hairstyle for months. Sentence2: One day his barber recommended he try hair gel. Sentence3: Myron tried spiking up his hair using gel. Sentence4: He loved his new hairstyle. Sentence5: Myron was very happy he took his barber's recommendation.
Output:
Myron, Barber