Who is the user of this software?

This bottle is reusable.

His nature is very kind.

Detailed information is needed to understand the nature of that project.

I was moved by his sincerity.

His nature is very kind.

Gender identity refers to the gender that each individual recognizes themselves as.

The use of renewable energy helps protect the global environment.

This is my unused camera.

He is facing many difficulties due to gender identity disorder.