Dogs have great hearing.

They can run up to twenty miles per hour.

Dogs, which have outstanding hearing, can run up to twenty miles per hour.

The castle was attacked.

The king was protected.

While the castle was ferociously attacked, the king was protected.

The teacher shouted.

She was fed up.

The teacher, who was fed up, hollered at her class.

The car stopped.

There was a cat in the road.

Since there was a cat in the road, the car stopped.

The man tripped.

He fell over.

The man tripped and fell over.

They played in the playground.

The sun shone bright.

As the sun shone bright, they played in the playground.