Open System Interconnection Protocols.
There are protocols given for open system interconnection.
No protocols exist for open system interconnection.
We had a family reunion in New Hampshire.
A girl with blonde hair wearing a black jacket smiles as she rides a green sled in the snow.
A shirtless boy rides his bike.
Two cats are looking at each other.
The man and woman drive down the road in a green tractor.
A person is preparing something.