The seed of his success lies in his effort.

I love Japan.

Ancient Japan was a place where beautiful nature and culture merged.

I live in Japan.

This greenschist is geologically very interesting.

This area is rich in green tuff.

His new car is yellow-green.

A proper noun is a noun that refers to a specific person, place, or thing.

This eigenfunction is one of the fundamental concepts of quantum mechanics.

His body is very healthy.