This math problem is very dense.

What is this, that box?

Learning about the culture of Southeast Asia is very interesting.

My house is located in the southeast of the city.

The Cheshire cat is smiling broadly.

The cry of the black-tailed gull was echoing on the beach.

I have a cute calico cat at my house.

My cat is good at cat punch.

He always pretends to be a 'nekokaburi', deceiving people.

The civet is a nocturnal animal, mainly active at night.