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 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: A test. Sentence 1: Martin went to a school this morning. Sentence 2: He did not know they would write a test today. Sentence 3: He did not study yesterday. Sentence 4: He did not pass the test. Choices: a. He was very unhappy. b. Beth became very ill.
Output:
b