Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Alex wanted to save the Princess in Super Mario brothers. Sentence2: His friend Rob had been bragging after he had done so. Sentence3: Alex decided he would play all weekend to beat the game. Sentence4: After 4 hours his mother made him turn the game off., Sentence5: He was forced to go outside and get some exercise.
Student:
Rob, Alex, Mother