You will be given a definition of a task first, then some input of the task.
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.

Title: The Surprise Trip. Sentence 1: Joey was pretending to drive his wife to work. Sentence 2: The truth was that he was taking her on a trip. Sentence 3: When they passed the road for her workplace, she asked what was up. Sentence 4: That's when he announced the trip detour plans. Choices: a. His wife was so thrilled and they really enjoyed their trip together. b. A few years later D had the child tested and got her into an ILP.
Output:
a