This law is based on the ancient Banminhō.

This plan is based on scientific data.

He is an expert in civil law.

He is working in the field of law.

This ancient artifact is very valuable.

It is very interesting to learn about ancient history.

Man is my best friend.

Mr. Wan is my best friend.

Mr. Wan is my best friend.

This picture is being sold for ten thousand yen.