How to adopt a herding dog<br>Look for a local adoption agency in your area. To adopt a herding dog, you will need to find an adoption agency. Look for an agency or organization that offers adoption services for rescue dogs in your area, as it will be more convenient for you to visit the agency and find a dog.
To adopt a herding dog, you must have a herd.
It does not say you must have a herd to adopt a herding dog.  Some people adopt herding dogs, because they like the breed and find them to generally be loyal and intelligent dogs, not because they have have anything to herd.  Perhaps the system assumed a herding dog has to have a herd.
( z1 obligate :ARG1 ( z2 have :ARG0 ( z3 you ) :ARG1 ( z4 herd ) ) :purpose ( z5 adopt :ARG0 z3 :ARG1 ( z6 dog :ARG0-of ( z7 herd ) ) ) )