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: The Train is Cheaper. Sentence 1: Nigel was traveling to visit his aunt. Sentence 2: He was looking at flights but they were all too expensive. Sentence 3: Then he saw that train rides were much more affordable. Sentence 4: He bought his ticket and hoped for the best. Choices: a. For the rest of his life, Jim lied for his own benefit. b. Luckily the train ride was not too bad at all.

Output: b

Input: Consider Input: Title: Necklace. Sentence 1: I joked with my friend that I was a princess. Sentence 2: She called me the wicked witch of the west. Sentence 3: A few weeks later I got a package. Sentence 4: Inside was a jewelry container. Choices: a. It held a little princess crown on a chain. b. He had a wonderful nap in the afternoon sun.

Output: a

Input: Consider Input: Title: Angry Gaming. Sentence 1: Tim was playing videogames with friends. Sentence 2: He kept losing. Sentence 3: Everyone kept making fun of him. Sentence 4: Tim got angry and tried to start fighting everyone else. Choices: a. Tim just barely won. b. He wasn't invited to play again.
Output: b