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.

Ex Input:
Title: Tupperware Mom. Sentence 1: My mother in law sells Tupperware. Sentence 2: I haven't had a conversation with her in 6 years that wasn't about it. Sentence 3: It hurts my husband that I don't think she's the best person ever. Sentence 4: It's because she's a narcissist who doesn't actually care about us. Choices: a. I'm probably not going to Christmas this year. b. He ate it for dinner.

Ex Output:
a

Ex Input:
Title: Sand crab. Sentence 1: Scott was on the beach when he felt a tickle on his neck. Sentence 2: His girlfriend squealed and jumped off of the blanket. Sentence 3: Scott jumped up too asked her what was wrong. Sentence 4: She pointed to a tiny crab crawling across their blanket. Choices: a. They both laughed. b. To top it off I bought many crates of Ramen.

Ex Output:
a

Ex Input:
Title: Cake. Sentence 1: Cindy was only learning how to bake. Sentence 2: But her friends thought she was really good. Sentence 3: One of them suggested baking a birthday cake for someone. Sentence 4: But she knew she wasn't good enough. Choices: a. After enough peer pressure, she ended up baking a terrible cake. b. But she never ended up having to use it.

Ex Output:
a