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: Stories. Sentence 1: Laura was telling stories around the campfire. Sentence 2: During the campfire her friends were getting scared. Sentence 3: She wasn't very scared since they were her own stories. Sentence 4: Laura thought it was very funny that they were getting scared. Choices: a. After a while there was a noise and Laura got really scared too! b. After that happened he no longer allowed sleeping in his class!
Example Output: a

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: The Solo. Sentence 1: Lacy was a member of her school's marching band. Sentence 2: The band's performance called for a solo. Sentence 3: Lacy practiced the solo part every day. Sentence 4: She tried out to get the solo in the band. Choices: a. Lacy was chosen to do the solo in the performance. b. Hank now tells everyone that his was probably his worst vacation.
Example Output:
a