Do you understand the necessity of this project?

That information is unnecessary.

That information is completely unnecessary.

He thinks that war is a necessary evil.

I contacted him beforehand.

Everyone unanimously said that the movie was wonderful.

Let's set the character alignment of this document to the left.

Everyone was listening to the teacher's talk in unison.

The assortment of products in this store is really wonderful.

This text is set to justification.