Definition: 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: Title: shout-out.. Sentence 1: Les was watching old movies in his living room. Sentence 2: He decided to try watching an old cowboy movie. Sentence 3: He was particularly impressed with a scene that involved a shout-out. Sentence 4: He imagined what he would do in that kind of situation. Choices: a. It took them a few minutes to thaw out. b. The answer that came to him was quite surprising.
Output:
b