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 have a pool party for his birthday. Sentence2: He invited all his friends to come to the party. Sentence3: The day of the party it was really hot and sunny. Sentence4: Alex decided to go off the dive for the first time. Sentence5: He had the greatest party ever.
Student:
His friends, Alex