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: One day my cat climbed up a tree. Sentence2: He was stuck and could not get down. Sentence3: My friend came over with a ladder. Sentence4: I had to climb up the ladder and rescue my cat. Sentence5: My cat does not climb trees anymore.
Student:
I (myself), Friend, Cat