In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Example Input: Sentence 1: Before I walked out of my office, my boss called me. Sentence 2: He told me that I'm required to work overtime today. Sentence 3: Since I couldn't argue with him, I agreed. Sentence 4: Instead of coming home at 7 AM, I came home at 11 AM. Sentence 5: I couldn't walk to my room and end up sleeping on the couch. Choices: a. Chocolate. b. Late Day at Work.
Example Output: b

Example Input: Sentence 1: Paige was nervous when she brought her new boyfriend home. Sentence 2: Her dad was very protective of her. Sentence 3: She was worried he would disapprove of him. Sentence 4: Her boyfriend and dad ended up talking for hours. Sentence 5: She now thinks her dad likes her boyfriend more than he likes her. Choices: a. Next One. b. Paige's Boyfriend.
Example Output: b

Example Input: Sentence 1: Architecture fascinated Bill. Sentence 2: Architecture was one of Bill's favorite topics. Sentence 3: He would stare at pictures of interesting architecture everyday. Sentence 4: He even tried to make his own designs. Sentence 5: They were so good he was actually able to make some of them. Choices: a. Becky's whereabouts. b. Architect.
Example Output:
b