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 Lice. Sentence 1: All the kids at school were itching. Sentence 2: There was lice going around! Sentence 3: They all scratched at their heads. Sentence 4: Their mom's frantic to fix the situation. Choices: a. They washed every blanket and sheet they had. b. It was amazing to be so high up!

Output: a

Input: Consider Input: Title: Blind dancer. Sentence 1: Tom was blind. Sentence 2: He loved to dance. Sentence 3: He practiced dancing every day. Sentence 4: He took part in a dance competition. Choices: a. He became the first blind person to win the competition. b. Now she still misses her old home, but the ocean is now her new home.

Output: a

Input: Consider Input: Title: David wins a car. Sentence 1: David hears about a contest to win a car. Sentence 2: He enters the contest. Sentence 3: At the contest he is asked to play a game to win the car. Sentence 4: David played the game and won. Choices: a. Carl is now free. b. David drove his new car home.
Output: b