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: The Reunion.. Sentence 1: Sasha was reading a celebrity magazine. Sentence 2: She saw that her favorite old series was having a special reunion. Sentence 3: The episode was actually airing that night. Sentence 4: Sasha was so excited that she decided to make a whole event of it. Choices: a. Zoey picked up the crying baby and carried her away. b. Her friends came over, they ordered food and they enjoyed the show.

Ex Output:
a

Ex Input:
Title: Mexican Food. Sentence 1: Stephanie had a craving for Mexican food. Sentence 2: She looked online for some restaurants. Sentence 3: She couldn't really find any with good reviews. Sentence 4: Stephanie decided to call her friend and ask for a recommendation. Choices: a. She ended up following her friend's advice and was satisfied. b. She was thrilled to realize that she could fix her computer.

Ex Output:
b

Ex Input:
Title: BSO. Sentence 1: In 2002 I went to a concert given by the Boston Symphony Orchestra. Sentence 2: I had a beer in the lounge before the concert. Sentence 3: During the performance I had to use the restroom. Sentence 4: The usher would not let me back into the hall. Choices: a. I listened to the end of the performance through the door. b. She was unhappy on her first day of school, but was well prepared.

Ex Output:
b