Definition: 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'.
Input: Sentence 1: Jake offered to buy his friend lunch. Sentence 2: As long as Jake chose where. Sentence 3: Jake made sure to have a buy one get one free coupon. Sentence 4: He used it and earned points for himself. Sentence 5: His friend appreciated the free food. Choices: a. Breakfast All Day. b. Coupon Deal.

b