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.

Sentence1: Jill was lost in the wilderness. Sentence2: She had been hiking by herself and got separated from the trail. Sentence3: Her boyfriend called the police after not hearing from her. Sentence4: A search team was dispatched to the GPS coordinates on her phone. Sentence5: A helicopter found and rescued Jill near a large tree.
Jill, Police, Boyfriend

Sentence1: Paul had a problem with drugs. Sentence2: His Father was very concerned for him. Sentence3: He put him in a rehab center to get help. Sentence4: Paul stayed there for sixty days. Sentence5: He learned how bad drugs really were and never did them again.
Paul, Father

Sentence1: Tom was looking forward to Halloween. Sentence2: He was thinking of a good costume. Sentence3: He wanted something fun and yet a little bit scary. Sentence4: Tom decided to go as a clown. Sentence5: He received many compliments on his great costume.
Clown, Tom