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: Frostbite. Sentence 1: Tim was working outside. Sentence 2: It was very cold as it was winter. Sentence 3: Tim desperately needed the money from this job. Sentence 4: Tim felt numbness in his toes but continued to work. Choices: a. He said this is where he met his deceased wife, and the boy cried. b. Tim suffered a case of frostbite in his toes.
Example Output: b

Example Input: Title: Anger. Sentence 1: Ivan was playing at a local tennis tournament. Sentence 2: And it was his turn to serve. Sentence 3: But he double faulted and became very angry. Sentence 4: And he threw is racket at the ground. Choices: a. Laurie had to hire a professional painter to finish the job. b. But Ivan felt regretful after being penalized.
Example Output: b

Example Input: Title: Great lunch. Sentence 1: Today I went to lunch. Sentence 2: It was rather good. Sentence 3: I had the gumbo. Sentence 4: I was surprised it was good. Choices: a. I wanted to have it again. b. His mom had a hard time cleaning the cheese on the couch.
Example Output:
a