instruction:
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.
question:
Sentence1: Riley had always enjoyed playing board games. Sentence2: One day he decides to play chess with a friend. Sentence3: It was a difficult game. Sentence4: In the end, Riley lost the chess game. Sentence5: However, he still loved board games.
answer:
A friend, Riley

question:
Sentence1: Melinda heard a noise. Sentence2: There was a burglar in her house! Sentence3: She called the police. Sentence4: They rushed over and arrested him. Sentence5: Melinda no longer felt safe.
answer:
Melinda, Burglar, Police

question:
Sentence1: Mandy was a struggling actress. Sentence2: She worked very hard and eventually got a leading role. Sentence3: She went on a very popular late night show to promote her movie. Sentence4: Mandy was so charismatic she became an overnight sensation. Sentence5: Mandy lived a very affluent life after that.
answer:
Mandy