1. Relationship
You want to know the relationship that each person on the list has to the head of household or group, or if the person you are interviewing is the head of household (male or female).
Remember that the head of household or group is a person who normally lives in the dwelling, and is known as the head of household b the members of the family or group.
If the dwelling is occupied by one person who lives alone, this person is considered "Single person".