She has two cats. One is black, and the other is white.

He held the wheel with one hand and waved to me with the other.

Naomi shifted her bag from one hand to the other.

One is tall and the other is short.

One of the cats is black, the other is brown.

This room is my bedroom, and the other one is my office.

This line is parallel to the other.

One side of a coin is called 'heads' and the other side is called 'tails'.

That exercise - backs together, link arms, one bends forwards while the other stretches their back - we did that a lot as children, didn't we?

He gives with one hand and takes away with the other.

The other one doesn't work.

"Why in the world would you do that?" the other asked.