Original sentence: Although kennel clubs and registries recognize the Labrador in variations of only three colors—black, yellow, and chocolate—some breeders sell light-colored yellow Labrador puppies as a "white" labrador, the dark yellow Labrador puppies as "fox red," or chocolates possessing the dilution factor as "silver Labradors".There is some controversy over whether these rarer colors are worth more (because they are rare) or less (because they are nonstandard and unsuitable for breeding show dogs or for showing).These colors are nonstandard and would disqualify the dogs in the show ring; however, the dog's color does not affect its behavior or health and many people own them as companion dogs
Edited sentence: Although kennel clubs and registries recognize the Labrador in variations of only three colors—black, yellow, and chocolate—some breeders sell light-colored yellow Labrador puppies as a very rare "white" labrador, the dark yellow Labrador puppies as "fox red," or chocolates possessing the dilution factor as "silver Labradors".While these dogs would normally be considered to be non-standard colors and disqualifications in the show ring, they are still very desirable as attractive colors in pet Labradors