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: Out for lunch. Sentence 1: Rita's friends invited her and her kids to lunch. Sentence 2: There were 12 kids in the group all together. Sentence 3: They all ate mac and cheese and chicken nuggets. Sentence 4: The kids had fun playing at the table. Choices: a. Before leaving everyone had ice cream for dessert. b. When she arrived, she was glad she didn't take her car.
Output:
a