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: The picnic. Sentence 1: Chaz told his mother he wanted to have a picnic at the park. Sentence 2: They went to the grocery store to get the food they wanted. Sentence 3: Chaz's mother packed up sandwiches, fruit and drinks. Sentence 4: They walked to the park and spread out their picnic blanket and food. Choices: a. They enjoyed the sunshine and talked as they ate their lunch. b. Dan was heartbroken to hear his grandfather was in such a state.
Output:
a