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: Horse. Sentence 1: I went to my uncle's farm in the country. Sentence 2: He had lots of animals on the farm. Sentence 3: My favorite were the horses. Sentence 4: I talked my cousin into letting me ride. Choices: a. When her parents found out, they became upset. b. He put me on the front of the horse while he rode it.
Example Output: b

Example Input: Title: Kickball Game. Sentence 1: I was playing Kickball with some friends. Sentence 2: We were all winning. Sentence 3: Suddenly, I twisted my ankle. Sentence 4: I was out of the game. Choices: a. Fortunately, we won because I cheered on from the sidelines. b. Eden helped his boss catch up on important work.
Example Output: a

Example Input: Title: The Eye Sanitizer Incident. Sentence 1: A Twitch streamer was talking to her community. Sentence 2: She paused to grab the bottle of hand sanitizer. Sentence 3: When squirting it out, some of the sanitizer splashed back. Sentence 4: The renegade sanitizer burned as it landed in her eye. Choices: a. Now she always holds the sanitizer bottle far away from her face. b. He later made a cacao smoothie and enjoyed it.
Example Output:
a