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.

Example Input: Title: Merry Go Round. Sentence 1: Sally could not decide between the white horse and pink bunny. Sentence 2: Choosing the right animal on the merry go round was serious business. Sentence 3: She finally decided on the pink bunny. Sentence 4: Her grandmother realized she wanted to ride the horse as much. Choices: a. They took lots of pictures of the animals. b. So she got her a ticket for a second ride.
Example Output: b

Example Input: Title: Know your boundaries. Sentence 1: James had a huge fear of heights. Sentence 2: He would not ever close to the edge of tall buildings. Sentence 3: Once, he had a panic attack when using a glass elevator. Sentence 4: They had to call the medic to help him calm down. Choices: a. Now, James uses the stairs every time. b. He worries what his girlfriend will think if he's outgoing.
Example Output: a

Example Input: Title: homework. Sentence 1: John did not do his homework in many of his classes. Sentence 2: He failed his classes in the following report card. Sentence 3: His parents punished him. Sentence 4: He went to therapy. Choices: a. John became more motivated and passed his classes. b. Now my friend owes me five dollars.
Example Output:
a