I owe my education to my parents.

Education is an important element in building the foundation of society.

I live in Japan.

I love Japan.

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

Feudalism characterized the social system of medieval Europe.

Changes in the social system inevitably occur with time.

Slavery is something that robs human dignity and is absolutely unacceptable.

He is always the type of person who says this when that is said.

I acted just as he said.