Definition: 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.
Input: Title: Beach Day. Sentence 1: The Noel family woke up early to go to the beach. Sentence 2: Once they arrived, they sat their stuff down and went for a swim. Sentence 3: The kids built sand castles on the shore. Sentence 4: The family also collected shells. Choices: a. Ronald and Bill took a nap in the tree house. b. Later, they packed their beach supplies and headed home to rest.
Output:
b