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: Unique tastes. Sentence 1: Mary was a baker and loved making pies to sell. Sentence 2: She would make a new flavor of pie each day for people to try. Sentence 3: Today, she was trying a very unique flavor of banana and cherry. Sentence 4: The pie was a complete hit, and people urged her to make it again. Choices: a. Connor's friends thank him and he feels good for the favor he did. b. Mary decided she would make the pie a regular item in her bakery.
Example Output: b

Example Input: Title: Lost item. Sentence 1: John was getting ready to go out. Sentence 2: He was ready but could not find his sunglasses. Sentence 3: So he searched all over his house for his glasses. Sentence 4: Finally he found them. Choices: a. He put them on and got ready to head out. b. Kevin never left food out again.
Example Output: a

Example Input: Title: War. Sentence 1: There was a war going on. Sentence 2: Mike was a good soldier and worked hard for his company. Sentence 3: He didn't like having to hurt other people and it bothered him. Sentence 4: When it was time to reenlist, Mike decided to become a civilian. Choices: a. He was really happy with his new work! b. The art school he founded is very successful.
Example Output:
b