He was very successful as the Federal Chancellor of Germany.

Roentgenium is one of the elements on the periodic table.

We need to check the relevance of this data.

I am training for running every day.

I plan to go on a trip next week because it's a long weekend.

Pyramid schemes are prohibited by law.

The food chain of this forest is very complex.

The ecosystem of this lake heavily depends on a specific food chain.

A coalition government is a form of government where multiple political parties cooperate to form an organization.

He is interested in ancient alchemy.