Detailed Instructions: 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.
Problem:Sentence1: Bobby was hanging out with his father Hank at work. Sentence2: Suddenly a truck full of propane tanks pulled up. Sentence3: Bobby hopped to work unloading the tanks, thinking they were full. Sentence4: When Hank saw what Bobby was doing he stopped him immediately. Sentence5: Bobby had been unloading empty tanks not loading up empty ones.
Solution:
Hank, Father, Bobby