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.

Input: Consider Input: Title: Mary's Promotion. Sentence 1: Mary works as a marketing executive at a company downtown. Sentence 2: She's very good at her job. Sentence 3: Her boss noticed how good she's been doing. Sentence 4: Mary was called into her boss's office. Choices: a. Mary was promoted to Marketing Manager! b. His family loved this tradition.

Output: a

Input: Consider Input: Title: Sal loses his keys. Sentence 1: Sal wakes up late for work. Sentence 2: He rushes to get ready. Sentence 3: He has no time to eat breakfast. Sentence 4: He looks for his car keys and cannot find them. Choices: a. Luke makes it through the night without freezing. b. Sal cannot get to work because he lost his keys.

Output: b

Input: Consider Input: Title: Gabe's Adventure. Sentence 1: Gabe was busy making a new video game, so he looked online for ideas. Sentence 2: While looking he read some mean comments people wrote on the internet. Sentence 3: The comments were about Gabe's weight and appearance. Sentence 4: Gabe felt sad that people were making fun of how he looked. Choices: a. Barry and his wife were so excited to finally be parents. b. Then Gabe remembered he was a millionaire, and so he felt better.
Output: b