I thought his plan was perfect, but in fact there were some flaws.

He said there's no such thing as a perfect human.

This building is surrounded by firewalls.

My beloved cat is very cute.

Entrusting bonito flakes to a cat is like entrusting a sheep to a wolf.

The black cat is playing in the garden.

This female cat is very cute.

There is a very lively male cat in my house.

There is a beckoning cat displayed in my room.

A white cat comes to play in my garden every day.