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.
Q: Title: You Left Something. Sentence 1: I was entering the airport in Cape Town to head back to the USA. Sentence 2: As I left the taxi, something told me that I was leaving something. Sentence 3: Convinced I left nothing, I checked my bags for my passport. Sentence 4: I found it and continued walking even though a taxi horn was honking. Choices: a. Soon Pia and her boyfriend were enjoying pizza every weekend! b. Turns out I left my phone and had to have it shipped to me.
A:
b