1) The national animal of Australia is the kangaroo.

2) The ongoing conflict in Syria, which began in 2011, has resulted in a humanitarian crisis, displacement of millions of people, and international efforts to bring about a resolution and provide aid to those affected.

3) The insurance industry is one of the oldest industries in the world, with roots dating back thousands of years.

4) The word "guitar" contains three vowels: U, A, and I.