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: Consider Input: Title: The Tryout. Sentence 1: Johnny was trying out for the football team. Sentence 2: The players began to practice drills. Sentence 3: Johnny stumbled forward when running a drill. Sentence 4: He was the slowest person to complete the drill. Choices: a. Johnny didn't make the team. b. She would post pictures on social media whenever she got a new one.

Output: b

Input: Consider Input: Title: Chance. Sentence 1: Kian wanted to be a male model. Sentence 2: A talent agent came to his town and arranged a contest. Sentence 3: Kian was nervous, but he entered the competition. Sentence 4: He did his very best! Choices: a. Even though he didn't win, Kian was glad he had tried. b. It was a smart choice and Sam was proud of himself.

Output: b

Input: Consider Input: Title: Never returned. Sentence 1: Alex's son begged him to go hiking with a group of Alex's friends. Sentence 2: Alex was concerned as his son was only 3. Sentence 3: But Alex's friends promised to look after him. Sentence 4: On the trail, the friends got too caught up in their conversation. Choices: a. Alex's son vanished and no one knew how. b. Synthia was able to live happily after that despite her injury.
Output: b