In that country, public executions are still carried out.

He works at a major public company.

He is an expert in cryptography and is involved in the development of security systems.

The key to success is in your own hands.

She is planning a date with her current boyfriend.

He is posting private tweets by creating a private account.

Please make sure to lock the door before you leave the house.

He lost everything.

He is good at playing the black keys.

She played the white keys of the piano briskly.