I'm troubled by his unproductive attitude.

Japan's gross national product is the third highest in the world.

Japan's gross domestic product is an important indicator of the health of the economy.

Japan's net national product is an important indicator of the health of the economy.

He is facing many difficulties due to gender identity disorder.

He was manipulated like a puppet.

The grebe is a beautiful bird that lives by the water.

He is working hard to solve that problem.

The walrus lives in the Arctic Ocean.

We are planning to hold a meeting tomorrow.