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.

Example Input: Title: Red Hair. Sentence 1: Julianna had just had her first baby. Sentence 2: Everyone was eager to see if he would have red hair like her. Sentence 3: She brought the baby home and everyone looked. Sentence 4: They were delighted to see little red curls on him. Choices: a. They had a big party to celebrate the new boy. b. She could tell right away that the move was a good thing.
Example Output: b

Example Input: Title: Boating Accident. Sentence 1: Jake was out on the lake with friends. Sentence 2: Jake had been drinking and tried to steer the boat. Sentence 3: He accidentally flipped it over. Sentence 4: A couple of friends were injured. Choices: a. Tom went home early. b. Everyone was soaked, cold and annoyed.
Example Output: a

Example Input: Title: Shopping Spree. Sentence 1: In the past seven months I've lost around 120 pounds! Sentence 2: It's been a really exciting time, obviously. Sentence 3: I think the thing I'm most excited about though is clothes. Sentence 4: I love being able to walk into a store and see my size. Choices: a. I finally got the call with an offer. b. I need to win the lottery so I can go on a shopping spree!
Example Output:
a