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 the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story to not connect with the rest of the story. Ensure that the generated sentence is contextually relevant to the story.

Title: Marcus Buys Khakis. 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.
Solution: He left in a huff for having his ideas mocked.
Why? Marcus is buying clothes for a business event and not presenting an idea.

New input: Title: Ping-Pong. Sentence 1: Roger liked to play ping-pong. Sentence 2: He bought his own ping-pong table so he could practice. Sentence 3: Roger was so good at ping-pong that he rarely lost a game. Sentence 4: His friends got tired of getting beat by Roger at ping-pong.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
I guess I shouldn't have spoken so soon.