My hand got caught in the door, and it hurt.

My school building is very big.

The People's Democratic Republic of Yemen was once an existing country.

He was recalling fondly the summer vacations of his childhood.

Fumiko wrote him a letter.

He used that information to threaten me.

The Democratic People's Republic of Korea is located in Asia.

The bellflower is my favorite flower.

He is a person with a strong heart.