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: Buddy. Sentence 1: A girl had a form of autism. Sentence 2: She wanted to feel love. Sentence 3: Her parents found her a buddy to hang out with her. Sentence 4: The girl loved her buddy. Choices: a. From then on, Amanda had a fear of snakes. b. They became lifelong friends.

Ex Output:
b

Ex Input:
Title: Dry. Sentence 1: The water flowed downhill. Sentence 2: One summer the weather was very dry. Sentence 3: The water stopped flowing near the top of the source. Sentence 4: The farmers near the source kept all the water. Choices: a. Ken wound up losing an easy race. b. The farmers farther away could not make enough food.

Ex Output:
b

Ex Input:
Title: New computer. Sentence 1: Jon had been saving to get a new computer. Sentence 2: He finally had enough money. Sentence 3: He decided to go shopping. Sentence 4: He found the perfect computer. Choices: a. Jon was happy to leave the store with a computer. b. I think he has a good shot of making the team!

Ex Output:
a