1) The word "school" contains two vowels: O and O.

2) The word "yesterday" contains three vowels: E, A, and A.

3) The "Star Wars" franchise, created by George Lucas, has become a global phenomenon with numerous films, TV shows, books, and merchandise.

4) The International Monetary Fund (IMF) and the World Bank are international financial institutions that work to promote global financial stability and economic development.