The white matter in the brain plays a role in transmitting signals of nerve cells.

The snowy owl lives in the Arctic region.

I am looking for skincare products for whitening.

He played innocent by pretending he knew nothing.

My grandmother maintains her health by eating yellow soybeans every day.

I saw a black-backed wagtail in the park.

Have you ever seen a silver pheasant in the park?

I saw a snow goose in the park.

He confessed the truth about the incident.

He confessed everything about the incident.