In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Example Input: Title: Special Delivery. Sentence 1: Caleb got his first car for his 16th birthday. Sentence 2: It was decided he would work a part time job. Sentence 3: He needed his own money for things like gas and insurance. Sentence 4: The very first job he applied to he got. Choices: a. She was left with bowls and trays full of unusable sludge. b. He ended up delivering pizzas and had a blast.
Example Output: b

Example Input: Title: Jervis Votes For Mayor. Sentence 1: Jervis decides he wants to vote in the upcoming election. Sentence 2: He votes for the Mayor. Sentence 3: Unfortunately his candidate does not win. Sentence 4: Even though his candidate didn't win, Jervis is happy he voted. Choices: a. Sam was excited for weeks after. b. He decides he will vote in the next election too.
Example Output: b

Example Input: Title: Seashells. Sentence 1: In 1995 we went to Cape Cod. Sentence 2: The kids collected a lot of seashells. Sentence 3: They smelled up the hotel room. Sentence 4: We tried cleaning them, to no avail. Choices: a. We threw them out and bought shells from a gift shop. b. She cleaned the walls and got better results.
Example Output:
a