This building is made of granite.

He grew up in a slum, but now he is a successful businessman.

I can fall asleep immediately after taking a sleeping pill.

He was anxious about starting a new business, but I encouraged him by saying, 'Even a journey of a thousand miles begins with a single step.'

The bat-eared fox is known primarily for eating insects.

The population density of this area is very high.

A muon is a type of elementary particle that carries a negative charge, just like an electron.

Tokyo is the city with the highest population density in Japan.

His jokes always have a double entendre, which is interesting.

He ordered spaghetti with meatballs.