This fossil is a part of a silicified tree.

The coffee overflowed from the cup.

The wind is blowing strongly.

We use a supercomputer to perform complex calculations.

He has wanted to become a superhero since he was a child.

There were many people gathering, and the park was bustling.

My great-grandmother lived until she was 100 years old.

UNESCO is an international organization that promotes the development of education, science, and culture around the world.

He taught me how to tie a tie.

There is not a single cloud in the sky.