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: Gus thought the u-haul he rented was too big. Sentence 2: He'd only wanted the 15 footer, but they'd given him the 17. Sentence 3: He was surprised when he had it almost filled up. Sentence 4: Gus still had chairs and tables to load that couldn't fit. Sentence 5: He was bummed that he'd underestimated how big he needed it. Choices: a. Wasn't Big Enough. b. Albert.
Example Output: a

Example Input: Sentence 1: Sybil was on a long drive to visit her boyfriend. Sentence 2: Some very compelling music came on and she enjoyed it. Sentence 3: Soon though the emotional music got her thinking. Sentence 4: Before long she was revisiting sad memories and crying. Sentence 5: Luckily by the time she made it to her boyfriend she was happy again. Choices: a. Cheap meat. b. The Sad Song.
Example Output: b

Example Input: Sentence 1: Her favorite glasses were ruined. Sentence 2: The pink dye had gotten all over them. Sentence 3: Her mother took her to get a new prescription. Sentence 4: It was time to order a new pair. Sentence 5: She chose pink, and they both laughed at the irony. Choices: a. Ride. b. Ruined.
Example Output:
b