Artificial intelligence will be at the center of future technology.

The minister is involved in important policy decisions.

An old person was walking in the park.

He is an acquaintance of mine.

My grandfather is being seen by a specialist in geriatric medicine.

Racism is an act that is absolutely not allowed.

I am an Earthling.

He is a true humanitarian, always striving to alleviate the suffering of others.

He often thinks about problems from a humanitarian perspective.

He decided to become a subject of the human experiment for the new drug.