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: I finally upgraded to a new phone. Sentence2: I had my prior phone for four years. Sentence3: Its power button didn't work and it lagged like crazy. Sentence4: The new phone doesn't have a physical keyboard. Sentence5: I want my terrible old phone back instead.
Student:
I (myself)