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: The Graduate. Sentence 1: Zakiyyah thought she was doing well enough in school to graduate. Sentence 2: She was told failed a class wasn't going to graduate. Sentence 3: She was told to go to summer school if she wanted her diploma. Sentence 4: Zakiyyah spent her summer in school and studied hard. Choices: a. Her daughter denied this accusation. b. Zakiyyah graduated and was given her diploma.
Example Output: b

Example Input: Title: The Halloween Party. Sentence 1: Susan was invited to a Halloween party. Sentence 2: She planned her costume for weeks. Sentence 3: The day of the party, Susan donned her costume. Sentence 4: Everyone loved Susan's costume. Choices: a. Susan won first place in the costume contest. b. From then on Tom didn't stuff himself as much.
Example Output: a

Example Input: Title: Hiding Ciggies. Sentence 1: My sister in law Edwina's daughter smokes. Sentence 2: She also does not make a lot of money. Sentence 3: My sister in law gives her packs on occasion. Sentence 4: Edwina hides the pack in the mailbox. Choices: a. Billy had a great time that day. b. She does not want her daughter's boyfriend to get the cigarettes.
Example Output:
b