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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Input: Consider Input: Title: Helpful. Sentence 1: My son went outside to play. Sentence 2: A few hours after he came back in, my neighbor came over. Sentence 3: He said he wanted to tell me how helpful my son was. Sentence 4: He told me how he helped him rake leaves on his lawn. Choices: a. The next moment I turn my head and see a big ball of fluff in my face! b. I went and found my kid and told him how proud I was.

Output: b

Input: Consider Input: Title: Music Loud. Sentence 1: Warren was blasting his music loud. Sentence 2: His mother knocked on his door. Sentence 3: He opened it and asked what she wanted. Sentence 4: She told him to lower the music. Choices: a. He said that she wasn't his real mother. b. John just barely lost his election.

Output: a

Input: Consider Input: Title: Curious but offensive. Sentence 1: Fred walked in front of the club entrance. Sentence 2: The security guard looked at him. Sentence 3: He noticed that Fred was wearing make-up on his face. Sentence 4: He told Fred that they don't accept his kind of people. Choices: a. He lost all of his friends. b. Fred immediately left.
Output: b