1.—(1) Any activity which is carried on—E+W
(a)in the course of a family or personal relationship, and
(b)for no commercial consideration.
(2) A family relationship includes a relationship between two persons who—
(a)live in the same household, and
(b)treat each other as though they were members of the same family.
(3) A personal relationship is a relationship between or among friends.
(4) A friend of a person (A) includes a person who is a friend of a member of A's family.