Given the task definition and input, reply with output. 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'.

Sentence 1: Jennifer never knew what to buy for her mother-in-law. Sentence 2: Whatever she came up with wasn't appreciated. Sentence 3: She tried to ask for help, but no one knew either. Sentence 4: So one day, she went to the store and picked something at random. Sentence 5: When she offered the gift, her mother-in-law was delighted. Choices: a. Taco Tuesday. b. Random gift.
b