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.

Ex Input:
Sentence1: A young lady was running through the sand at the beach. Sentence2: Strong winds started to blow in her direction. Sentence3: She was pushed back. Sentence4: When she fell, her hair fell out. Sentence5: Before anyone noticed, she quickly put it on and walked away.

Ex Output:
Anyone, Young lady

Ex Input:
Sentence1: Pete the clown was such a happy clown. Sentence2: He loved to bring smiles to the people of the rodeo. Sentence3: One day his boss calls him into his office. Sentence4: He tells pete he has to let him go. Sentence5: Pete was a very depressed and sad clown now.

Ex Output:
Pete, Boss, People

Ex Input:
Sentence1: Lisa has a son named Lane. Sentence2: Lane was a lanky boy and he had an oddly shaped chest. Sentence3: Lisa knew that wasn't normal and took him to see a specialist. Sentence4: To stop the deformity the Doctor made lane wear a chest brace. Sentence5: That was 1 year ago and Lane is still wearing his chest brace daily.

Ex Output:
Lisa, Lane, Specialist