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.
Input: Title: Gift Card. Sentence 1: For Christmas I was given a gift card to my favorite restaurant. Sentence 2: I did not use it for a few months. Sentence 3: In March, I decided to use it for my anniversary. Sentence 4: When we went to pay, the card did not work. Choices: a. Apparently the gift giver never activated the card for me. b. He replaced her shingles for her, and she was grateful.
Output:
a