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: Clown. Sentence 1: Tom was looking forward to Halloween. Sentence 2: He was thinking of a good costume. Sentence 3: He wanted something fun and yet a little bit scary. Sentence 4: Tom decided to go as a clown. Choices: a. He received many compliments on his great costume. b. That way, she knew they'd go to good use.

Ex Output:
a

Ex Input:
Title: Ouch. Sentence 1: Janice and her friends were trying to win a scavenger hunt. Sentence 2: Her friend Julie read the last clue. Sentence 3: They raced to their destination. Sentence 4: Janice stopped the car and collected the last item. Choices: a. Although this went against his personal views, he needed the money. b. They won the scavenger hunt.

Ex Output:
b

Ex Input:
Title: Mascara. Sentence 1: She wanted something that would make her eyes pop. Sentence 2: She looked at the brands of mascara available. Sentence 3: She didn't know what to try first. Sentence 4: Most of them didn't meet her needs. Choices: a. She decided upon a fiber filled version. b. Eventually she would stop snoring.

Ex Output:
a