Please clean up your room right now.

He is outstanding in his field.

Toshin came up with a sagacious way to solve the problem.

That female bear was fighting to protect her children.

Shunji is my best friend.

That information is unnecessary.

That information is completely unnecessary.

He thinks that war is a necessary evil.

Do you understand the necessity of this project?

There is a planned blackout tonight, so please come home early.