Some examples and use cases from the internet:

Some examples and use cases from the internet:

• Who is this?
• This is Jason Bourne. Waterloo Station.
• I'm her boyfriend, who is this?
• Hello, who is this?
• I asked Gabriel: "Who is this?"
• And my wife would go, Who is this?

• Police.
• Okay, then who is it?
• A guard Mayflower.
• "Who is it?" is not a permission.
• Who is it?
• Stop talking like a tailor and tell me, who is it?
• Who is it?