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: The Smiths love the corn maze. Sentence2: They attended this past year. Sentence3: Helen was very scared. Sentence4: Ethan told her she was okay. Sentence5: They ended up bonding over that.

Ex Output:
Attended, The smiths, Bonding, Ethan, Helen, Told

Ex Input:
Sentence1: Matt and Sarah were married only a month ago. Sentence2: They were so happy getting used to the married life. Sentence3: At least they were happy until Matt's mom moved in. Sentence4: She treated Matt and Sarah both like children. Sentence5: Thanksgiving was awkward this year after Matt kicked her out.

Ex Output:
Sarah, Matt, Matt's mom

Ex Input:
Sentence1: Amanda was about to enjoy a weekend of camping with her boyfriend. Sentence2: Upon arrival, Amanda saw a sign warning of bears. Sentence3: Amanda never saw a bear, and was scared at the thought of seeing one. Sentence4: After getting inside the tent, Amanda heard loud noises outside. Sentence5: Amanda got scared, but realized her boyfriend was playing a prank.

Ex Output:
Bears, Amanda, Bear, Boyfriend