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: Nick's Truck. Sentence 1: Nick loved his pickup truck. Sentence 2: One night he went outside to find that someone had spray painted it. Sentence 3: He called all his friends to find out who did it. Sentence 4: The he realized it happened on the anniversary of his breakup. Choices: a. Ricky found the missing keys. b. He called the girl and she admitted that she had done it.
Example Output: b

Example Input: Title: Making an Informed Decision. Sentence 1: Paul didn't know who to vote for in the presidential election. Sentence 2: He decided to watch the presidential debate. Sentence 3: Paul took note of important topics discussed. Sentence 4: After doing more research online, he finally decided. Choices: a. In the end she got to stay in a small studio in the city she loved. b. Paul felt good making an informed decision.
Example Output: b

Example Input: Title: Fish. Sentence 1: I went on a trip with my class in college. Sentence 2: We took some canoes. Sentence 3: We saw fish a foot long. Sentence 4: They were swimming around our feet. Choices: a. We were unable to grab one. b. Due to her success, Diane was re-elected as union president.
Example Output:
a