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: Trail Mixer. Sentence 1: Bob bought a new kind of tropical trail mix. Sentence 2: When it arrived he ate a handful. Sentence 3: Bob's hands grabbed another scoop on their own accord. Sentence 4: Before he knew it, he'd eaten half the bag! Choices: a. Bob ordered another bag of it before his hands could grab any more. b. Within a few months, he had lost 40 pounds.

Output: a

Input: Consider Input: Title: Rats. Sentence 1: There were a lot of rats in my house. Sentence 2: I went to the store to buy traps to get rid of them. Sentence 3: I bought a lot of traps that day, but I didn't buy enough. Sentence 4: I used all the traps but there are still a lot of rats in my house. Choices: a. Gordon will never learn. b. I'll have to buy some more tomorrow.

Output: b

Input: Consider Input: Title: Tulips. Sentence 1: Jean's family had some Dutch heritage. Sentence 2: So when she got married she thought of a cute favor. Sentence 3: She decided to get tulip bulbs for everyone. Sentence 4: She thought this was a cute way for people to remember them. Choices: a. I ended up buying a package of 4 multi-colored lighters. b. And tulips are the national flower of Holland.
Output: b