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: Thanks Mom. Sentence 1: When I was younger my mom used to punish me by grounding. Sentence 2: She'd take my things away and send me to my room. Sentence 3: Yesterday, she admitted she'd ground me for no reason sometimes. Sentence 4: She told me this when she was drunk out of her mind. Choices: a. I've been working at that place for two years now. b. Now this morning she doesn't remember saying it.
Example Output: a

Example Input: Title: Purchasing. Sentence 1: We wanted a house close to good schools. Sentence 2: We looked at several homes in the area. Sentence 3: The one we picked was extremely clean and nice. Sentence 4: We made an offer, which was counteroffered. Choices: a. The sparkles came out and shone brilliantly. b. We had a new home by the end of the week.
Example Output: a

Example Input: Title: Found Treasure. Sentence 1: Tom bought land out in the country. Sentence 2: He decided to build a farmhouse. Sentence 3: During the digging up for foundation they made a discovery. Sentence 4: It was old money buried for safekeeping. Choices: a. The kid grabbed the pack instead and ran off. b. Tom made a good profit off of it.
Example Output:
a