The Quaternary is the most recent era in Earth's history.

His first adjective is 'beautiful'.

He is learning how to use the second adjective.

In our company, we always adhere to the principle of safety first.

This contract prohibits interference by a third party.

She always says 'the lady doth protest too much,' seeming to deny his actions, but in reality, she loves him very much.

He was drawing an enneadecagon shape.

He achieved the 'all simples' yaku in mahjong.

Our project is scheduled to be completed on the nineteenth day.

The legend of the nine-tailed fox has been passed down from ancient times in Japan.