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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.
Input: Title: Seltzer. Sentence 1: Anna ordered a diet soda with her lunch. Sentence 2: She began to gulp it down thirstily. Sentence 3: But then she stopped and grimaced. Sentence 4: The soda cartridge must be empty- she was drinking pure seltzer! Choices: a. She hurried to the counter to inform the employees. b. He was very impressed that I knew the King.
Output:
b