This regular tetrahedron has a perfectly even shape.

Do you know about this new technology?

A coalition government is a government organized by multiple political parties cooperating.

My mother has a habit of drinking tea every morning.

This sweet is made by my grandmother.

People from all over the country gathered to celebrate the emperor's birth.

The ceremony for the emperor's return to the inner palace has begun.

Let's respect the elderly and learn from their knowledge.

An old person was playing with his grandchild in the park.

He is very polite and always bows when he meets people.