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.

Ex 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.

Ex Output:
b

Ex Input:
Title: Ted gets injured. Sentence 1: Ted is walking home from work. Sentence 2: He slips on a banana. Sentence 3: He falls and breaks his arm. Sentence 4: Help is sent to Ted. Choices: a. He gets his broken arm taken care of at the hospital. b. She lost the game for her team.

Ex Output:
a

Ex Input:
Title: Gordon's Gym. Sentence 1: Gordon wanted to start working out. Sentence 2: His friend had a gym membership. Sentence 3: Gordon tried out the gym with his friend. Sentence 4: Gordon decided to join the gym. Choices: a. Then she realized she left conditioner in her hair. b. Gordon went to the gym everyday with his membership.

Ex Output:
b