He started a fire using a flint.

The tap water at this restaurant is very delicious.

Izumi is my best friend.

You often see water buffaloes in wetlands.

I have seen a drunk elephant in the park.

The term 'drunken elephant' refers to an elephant that has drunk alcohol.

Ancient people associated Wednesday with the planet Mercury.

This factory is discharging a large amount of waste water into the river every day.

My hobby is painting watercolors.

He was surprised to see the bubble.