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: Muriel and her sister always took the shortcut home. Sentence2: One day they decided to take the long way home. Sentence3: A strange man followed them and they got scared. Sentence4: They started running and screaming until they made it home. Sentence5: They told their parents and now they pick them up.
Strange man, Muriel's parents, Muriel's sister, Muriel

Sentence1: Connie has not studied for her exams. Sentence2: In a panic she sits near the smartest girl in glass. Sentence3: As the exam is handed out she slowly works through her exam. Sentence4: She's copying the girl next to her. Sentence5: Connie gets caught and is expelled from university.
Smartest girl, Connie

Sentence1: Tim liked to post political memes online. Sentence2: One day a friend responded negatively to one. Sentence3: Tim felt insulted and started to argue. Sentence4: They both got offended at each other. Sentence5: Tim and the friend stopped talking afterward.
Tim, Friend