original: gun dogs gun dogs are used primarily by small game hunters using shotguns .
simplifications: gun dogs gun dogs are used first and foremost by small game hunters using shotguns . gun dogs are mainly used by small game hunters . gun dogs gun dogs are used mainly by small game hunters who use shotguns . gun dogs are used mainly by small game hunters using shotguns . gun dogs are usually owned by armed small game hunters . gun dogs are used mainly by small game hunters using shotguns . gun dogs gun dogs are mainly used by small game hunters using shotguns . gun dogs are used solely by small game hunters using shotguns .