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'.

Let me give you an example: Sentence 1: Marcus needed clothing for a business casual event. Sentence 2: All of his clothes were either too formal or too casual. Sentence 3: He decided to buy a pair of khakis. Sentence 4: The pair he bought fit him perfectly. Sentence 5: Marcus was happy to have the right clothes for the event. Choices: a. Marcus Buys Khakis. b. Marcus Works.
The answer to this example can be: a
Here is why: Marcus's reasons for buying khakis is established, followed by his purchase of them and reaction.

OK. solve this:
Sentence 1: Ina took her two kids trick or treating on Halloween. Sentence 2: When they got home, the kids were desperate for candy! Sentence 3: But Ina shooed them away. Sentence 4: Just like her own mother, she checked every piece of candy. Sentence 5: Only then would she allow them to eat their treats! Choices: a. Candy. b. Hard Work.
Answer:
a