Detailed Instructions: 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.
Problem:Title: Colorful Box. Sentence 1: Dan checked the mail, and saw that the had a small colorful box there. Sentence 2: Dan rushed inside to open the box, as he was curious of the contents. Sentence 3: After opening, Dan realized it was a Army pin from his dad. Sentence 4: Dan broke down in tears, because his dad had recently passed away. Choices: a. Instead, he decided to buy the shoes online. b. Dan was touched that he had received such a sentimental gift.
Solution:
b