Definition: 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: Bad tooth. Sentence 1: Nolan had a bad tooth. Sentence 2: But he refused to go to the dentist. Sentence 3: As the pain was getting more intense every day, he had no choice. Sentence 4: He called for an emergency appointment. Choices: a. When the tooth was out, Nolan was grateful to be pain-free. b. The bad news is they don't have a single dress above a size 5.
Output:
a