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 System Check. Sentence 1: Marvin called a repairman to his house. Sentence 2: His air conditioner seemed to be struggling. Sentence 3: It was almost 80 degrees in his house. Sentence 4: The repairman replaced a part. Choices: a. He watched them until they were out of sight. b. By that evening, the house was a cool 72 degrees.
Example Output: b

Example Input: Title: Debra gets dumped. Sentence 1: Debra was out on a date with her boyfriend. Sentence 2: The two were at their favorite place. Sentence 3: Debra was enjoying her meal. Sentence 4: Suddenly Debra's boyfriend phone rang. Choices: a. Ellis agreed to take a small corgi puppy home. b. He came back and told Debra he was seeing her best friend and it's over.
Example Output: b

Example Input: Title: 1st world problems. Sentence 1: Georgia was from rich background. Sentence 2: Her friends always told her she was posh sounding. Sentence 3: Despite having a posh accent, Georgia didn't have a lot of money. Sentence 4: Her parents had invested all their cash into assets. Choices: a. It was her Mother's favorite birthday gift. b. Her family was asset rich but cash poor.
Example Output:
b