He is working at the ministry.

When her son goes to school, the mother always says 'see you later'.

Have a good day at school, son.

He is a famous black singer in America.

Black smoke was rising from the scene of the fire.

Due to the fire, black smoke was billowing in the sky.

His car is black.

The company's management ended in surplus this year.

The night sky turned jet black, and the stars were shining brightly.

This region is covered with fertile chernozem.