Given the task definition and input, reply with output. 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: Backpacker. Sentence 1: Anna had just finished four years at a prestigious college. Sentence 2: She decided to take a very unconventional next step-a trip. Sentence 3: She planned to backpack across Western Europe for 8 months! Sentence 4: It was a risky career move, but she focused on enjoying the moment. Choices: a. She went into anaphylactic shock as a result of ingesting nuts. b. And when she returned, several offices began courting her ASAP!
b