sexrab1,What was buyer 1's sex at birth?
sexrab2,What was buyer/person 2's sex at birth?
sexrab3,What was person 3's sex at birth?
sexrab4,What was person 4's sex at birth?
sexrab5,What was person 5's sex at birth?
sexrab6,What was person 6's sex at birth?
buildheightclass, What is the building height classification?
hholdcount, In total, how many people live in the property?