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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Example Input: Title: Waving. Sentence 1: I sat on the bench in front of our building today. Sentence 2: My sister-in-law lives in the same building. Sentence 3: When she drives home she tries to wave at me on the bench. Sentence 4: Today she saw me and waved. Choices: a. I waved back, happily. b. Jean got the job.
Example Output: b

Example Input: Title: Beverly Hillbillies. Sentence 1: Beverly bought some property in the hills of Kentucky. Sentence 2: When she went to inspect the property, she found squatters. Sentence 3: Despite her pleas, they refused to leave her property. Sentence 4: Desperate, Beverly called the local sheriff. Choices: a. After the sheriff evicted the squatters, Beverly put up a fence. b. Several days later, John arrived safely in Oregon.
Example Output: b

Example Input: Title: Money down the drain. Sentence 1: Joe was going on a canoe trip. Sentence 2: He had bought all his supplies and was so excited. Sentence 3: On the day of the trip, it started to rain. Sentence 4: Joe's trip was cancelled. Choices: a. He had to stay home and lost his trip's deposit. b. They all thanked Mario for the wonderful evening.
Example Output:
b