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: Johnny loved to go visit his grandpa. Sentence2: Grandpa always had a story to tell. Sentence3: They would sat on the front porch. Sentence4: Grandma would make ice tea for them. Sentence5: Grandpa would start his story.
Student:
Grandpa, Johnny, Grandma