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: Overemotional. Sentence 1: Vladimir found that Claire was overemotional. Sentence 2: He told her to take pills to help her condition. Sentence 3: But Claire refused as she stated that her feelings were normal. Sentence 4: To settle their dispute, they invited a friend. Choices: a. She was so excited when she bought her dress. b. The argument was heated and the friend said they were overly emotional.

Ex Output:
b

Ex Input:
Title: Leaky Pen. Sentence 1: John was walking around with a big stain on his pants. Sentence 2: He didn't notice until someone pointed it out. Sentence 3: John realized his pen had leaked in his pocket. Sentence 4: It ruined his pants. Choices: a. He had to throw them away and get another pair. b. They all wished they could go back home and watch their TV's.

Ex Output:
a

Ex Input:
Title: Comedianne. Sentence 1: Liza did stand up comedy at a club. Sentence 2: One night, she was heckled by someone in the crowd. Sentence 3: Luckily, she turned all the heckling around. Sentence 4: The crowd cheered for her and the heckler stopped. Choices: a. Jim takes it home and keeps it for himself. b. It really gave Liza a confidence boost.

Ex Output:
b