I will make a presentation at the Diet tomorrow.

We have started a campaign to advertise our new product.

My school is very big.

Let's discuss that matter in detail later.

We need to choose a candidate for the new president.

The emperor stands at the highest position in the country.

I attended a lecture on economics today.

An elephant's proboscis is very long and multifunctional.

He is working in a silver mine.

This ore is very rare and valuable.