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: Better Grades. Sentence 1: The brothers took an acting class. Sentence 2: They worked on everything together. Sentence 3: They thought they would get the same grade. Sentence 4: One of the brothers got a better grade than the other. Choices: a. The one with the better grade teased his brother. b. Zach reminded him that it was birthday paper for Jesus.

Output: a

Input: Consider Input: Title: Pinata. Sentence 1: At morgan's birthday party, we set up a pinata. Sentence 2: The first girl to swing does not break the pinata. Sentence 3: The next boy hits one of the legs off the pinata. Sentence 4: Morgan takes one big swing and the pinata explodes. Choices: a. All the kids collect their chocolaty goodies. b. He thought that he might visit there again someday.

Output: a

Input: Consider Input: Title: Dog Tricks. Sentence 1: Jim got a new pet dog. Sentence 2: It was extremely smart. Sentence 3: Jim taught him many tricks. Sentence 4: He even entered him in a competition. Choices: a. Jim's dog got a respectable third place. b. She had a great time.
Output: a