Given the task definition, example input & output, solve the new input case.
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 such that it seamlessly connects with the rest of the story.
Example: 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.
Output: Marcus was happy to have the right clothes for the event.
Marcus is buying clothes for a business event.

New input case for you: Title: Austin gets a Gift. Sentence 1: It was Austin's birthday. Sentence 2: Austin was excited for his gifts. Sentence 3: Austin's parents entered his room. Sentence 4: They sung happy birthday.
Output:

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
Austin got a puppy and was happy.