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.

[Q]: Sentence1: Sara and Joseph were planning their wedding. Sentence2: They were on a tight budget. Sentence3: They couldn't afford a three tiered cake. Sentence4: Sara ordered a one tier cake and baked matching cupcakes. Sentence5: The cupcakes were a big hit amongst the guest.
[A]: Joseph, Sara, Guest

[Q]: Sentence1: John was at home thinking about what to eat for dinner. Sentence2: He went to the fridge and looked inside. Sentence3: He saw that he had some fish. Sentence4: John cooked the fish in a frying pan. Sentence5: He ate the fish for dinner.
[A]: John

[Q]: Sentence1: Donna bought a car last week. Sentence2: The car broke down in the middle of the street. Sentence3: She had the car towed to the mechanic. Sentence4: The mechanic informed her that her car is totaled. Sentence5: She is convinced she purchased a lemon.
[A]:
Donna, Mechanic