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.

Sentence1: The car did not want to start. Sentence2: The driver looked around. Sentence3: The driver checked the dashboard. Sentence4: A light was flashing. Sentence5: The car needed new oil.
Car, Driver

Sentence1: Jacob noticed his dog was whining. Sentence2: Jacob investigated and found his dog's leg hurt. Sentence3: He took the dog to see the vet. Sentence4: The vet made a cast to set the hurt leg. Sentence5: Within a few weeks, Jacob and his dog were playing again!
Jacob, Vet, Dog

Sentence1: I made my sister and I peanut butter and jelly sandwiches. Sentence2: I laid mine on plate to eat but had to run upstairs. Sentence3: When I got back my sandwich was gone. Sentence4: My little sister was at the table eating. Sentence5: I finally figured out she at my sandwich too.
I (myself), Sister