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.

[Q]: Title: Scaffolding. Sentence 1: The painter climbed the scaffolding. Sentence 2: He started painting the side of the building. Sentence 3: The scaffolding felt wobbly. Sentence 4: The painter climbed down. Choices: a. He found that some of the joints were loose. b. Lee and his dog froze to death on a particularly cold night.
[A]: a

[Q]: Title: Cake. Sentence 1: On her son's birthday she placed an order. Sentence 2: She asked for a mint chocolate chip cake. Sentence 3: When she picked it up, they gave her two cakes. Sentence 4: One had peanut butter cups inside it. Choices: a. The kids were allergic to peanut butter, so she tossed it. b. She blocked his calls and I'D permanently.
[A]: a

[Q]: Title: Smoothie. Sentence 1: Tim valued his health very much. Sentence 2: For his meals he would frequently prepare smoothies. Sentence 3: He carefully sourced the healthiest ingredients. Sentence 4: He loved his smoothies. Choices: a. Sarah broke up with John. b. He felt better after consuming them.
[A]:
b