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.

Ex Input:
Title: Flag. Sentence 1: The man went to hang the flag. Sentence 2: The flag touched the ground. Sentence 3: He thought he should burn the flag. Sentence 4: He asked his boss if he should burn it. Choices: a. He didn't return to that class. b. His boss told him just to hang the flag.

Ex Output:
a

Ex Input:
Title: Ear. Sentence 1: Brian loved to listen to music. Sentence 2: Often, he would listen to it very loudly. Sentence 3: One day, his ears hurt a lot. Sentence 4: He rushed to the doctors immediately. Choices: a. It was a great way to experiment with new ingredients. b. The doctor stated that listening to loud things damages ears.

Ex Output:
a

Ex Input:
Title: Running for Office. Sentence 1: Tom had a lot of good ideas. Sentence 2: He followed politics closely. Sentence 3: He decided to run for a local office. Sentence 4: Surprisingly Tom won a close election. Choices: a. He stayed in politics ever since. b. It was a nice gesture but not the same.

Ex Output:
b