Saturday we drove to Tampa to help Haley celebrate the big 0 - 9 . The party was held at the Isla Del sol contry club . It was a beautifully perfect day and all the kids had a great time in the pool .
According to the above context, choose the best option to answer the following question.
Question: Why was the atmosphere at the event so festive ?
Options:
- It was a day off for the kids .
 - It was a birthday .
 - It was a pool day for the kids .
 - None of the above choices .


It was a birthday .