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: New shoes. Sentence 1: Jill loved shoes. Sentence 2: She knew she did not need anymore. Sentence 3: She decided to go shopping anyway. Sentence 4: She found a pair she wanted. Choices: a. To Ana's delight, the purple color was very vivid! b. She bought them and was very proud of them.
b