Rino is my best friend.

His actions change depending on the circumstances.

My father is a member of that political party.

He hit the ball.

I bought new shoes.

This park is an important playground for local children.

There is a deep relationship between him and me.

He reads the newspaper every day.

The stock price is leaping up.

Statistical mechanics is a branch of physics that provides a theoretical framework for understanding macroscopic phenomena from a microscopic perspective.