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: Bed Wetting. Sentence 1: Evan was nine but sometimes still wet the bed. Sentence 2: He was invited to a sleepover but afraid to attend. Sentence 3: He did not want anyone to discover his secret! Sentence 4: Then his mom bought him a pack of absorbent underwear to wear. Choices: a. At the end of the day, Max already loved kindergarten! b. Evan felt much more secure with the backup underwear on!
Example Output: b

Example Input: Title: Shelter. Sentence 1: Nate had had a huge fight with his parents. Sentence 2: He decided to run away from home. Sentence 3: On the streets he realized he had no plans and had to find a shelter. Sentence 4: Luckily, they welcomed him in and gave him a meal and a bed. Choices: a. He felt bad for lying but at least it ended the fight quickly. b. The next day they helped him reunite with his family.
Example Output: b

Example Input: Title: Rocking. Sentence 1: Tam loved her laz-y-boy recliner. Sentence 2: She'd rock back and forth in it and tilt it back. Sentence 3: As she was leaning further back than she had before it broke. Sentence 4: She heard a loud crack and the back just fell from under her. Choices: a. Tam slammed against the floor, dazed and hurt. b. A car had to swerve to miss her, but she was ok.
Example Output:
a