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: Janet fell down the stairs at her house. Sentence2: Her knee was never in good shape but this made it worse. Sentence3: She was unable to walk and was in severe pain. Sentence4: Janet called her friend to come help. Sentence5: Her friend immediately took her to the hospital.
Student:
Janet, Her friend