You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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: 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.
Solution: a
Why? Marcus's reasons for buying khakis is established, followed by his purchase of them and reaction.

New input: Sentence 1: After a few weeks of sickness, Shelly discovered she was pregnant. Sentence 2: She was thrilled, and told her husband, mother and sister immediately. Sentence 3: She told them to tell no one, as she wanted to tell people slowly. Sentence 4: Later that day she saw her mother had told everyone on Facebook. Sentence 5: Shelly resolved to never tell her mother a secret again. Choices: a. A Secret No More. b. Nervous Performance.
Solution:
a