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: Bracelet. Sentence 1: My wife received an Alex and Ani bracelet as a gift. Sentence 2: She cannot wear bracelets due to a medical condition. Sentence 3: She emailed the company about an exchange. Sentence 4: They allowed her to exchange the bracelet for a necklace. Choices: a. So his father bought him a small oven and gave him a bag of steaks. b. She was pleased with the company's customer service.
Example Output: a

Example Input: Title: Lacy. Sentence 1: Lacy was walking a cemetery in the country. Sentence 2: She had got lost while navigating the huge area. Sentence 3: She decided to follow the trails to see where they would take her. Sentence 4: After following the trails she ended up at her car. Choices: a. Todd was happy to celebrate his Irish heritage. b. She was so happy she was not lost anymore.
Example Output: a

Example Input: Title: Dog from where?. Sentence 1: When i was young we kept a dog in our backyard. Sentence 2: One day this German Shepherd showed up with her. Sentence 3: We called the number that was on bis tags. Sentence 4: His old owner didn't want him. Choices: a. I answered who, what, when, where and why. b. We ended up keeping him for 6 years till he passed away.
Example Output:
a