Instructions: 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: Title: Mr. Burns's plans Cancelled.. Sentence 1: Mr Burns was planning to go hiking. Sentence 2: He had planned this trip for 3 months. Sentence 3: Mr Burns was going to take Smithy with him. Sentence 4: The day before they were going to on the trip. Choices: a. Someone came up to me on the road and told me to not worry. b. Mr Burns was hit by a car and was unable to go.
Output:
b