instruction: Classify the following information as 'PII' or 'not PII' : Social Security Number, Home Address, Age, Number of Employees, City Population, Gender, Business Phone
response: Social Security Number - PII
  Home Address - PII 
  Age - PII
  Number of Employees - Not PII
  City Population - Not PII
  Gender - Not PII 
  Business Phone - Not PII