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.

Ex Input:
Title: Basketball Game. Sentence 1: A couple of Mormons challenged strangers to a basketball game. Sentence 2: The others accepted. Sentence 3: The Mormons were exceptionally good at the game. Sentence 4: They beat the other guys fairly easily. Choices: a. The other guys were impressed and it sparked a conversation. b. Lance broke his hand and had to go to the hospital.

Ex Output:
a

Ex Input:
Title: Car. Sentence 1: Ryan saw ads on TV that offered new cars at low prices. Sentence 2: He thought he could easily afford a $200 monthly payment. Sentence 3: But when he got to the dealership, he was surprised. Sentence 4: That price was only for people with perfect credit, apparently. Choices: a. Ryan's payment would be more than double the advertised price! b. They required Judith to take speech therapy.

Ex Output:
a

Ex Input:
Title: Chess. Sentence 1: Doug moved his piece into check. Sentence 2: Greg informed Doug of his mistake. Sentence 3: Doug took the move back. Sentence 4: Doug could not find any other good moves. Choices: a. Greg hung the drawing in his home. b. Doug conceded the game to Greg.

Ex Output:
b