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: Cheap Thrills. Sentence 1: Sia didn't have any cash. Sentence 2: Her boyfriend had come over earlier. Sentence 3: They danced all through her house. Sentence 4: Sia was very happy. Choices: a. His car engine is blown up! b. She decided it was okay she didn't have money to go out.

Ex Output:
b


Ex Input:
Title: Nightmare. Sentence 1: Stephanie awoke in the middle of the night to a door slamming. Sentence 2: She became very scared, thinking she had an intruder in her home. Sentence 3: Stephanie grabbed her pepper spray and tiptoed downstairs. Sentence 4: She noticed her back door was ajar and quietly walked over to it. Choices: a. She peered outside and saw her sleepwalking daughter roaming the yard. b. Tim saw his happiness improve significantly.

Ex Output:
a


Ex Input:
Title: TV Time. Sentence 1: The Gibson sisters were bored and wanted something to watch. Sentence 2: The only common thing they liked to view was horror. Sentence 3: They looked through pages of horror movies and shows. Sentence 4: They had finally decided to watch Stranger Things together. Choices: a. They loved the show so much that they binged watched the entire season. b. Greg got it out with his friend'.

Ex Output:

a


