Normilation Database Question where the primary keys are underlined the foriegn keys are Italics

Normilation process consists of the 1)candidate keys 2) functional dependencys 3) the Referential integrity

This relation is about home appliances, such as refrigerators, stoves, ovens, washers, dryers, etc.

APPLIANCE (ApplianceType, BrandName, ModelNumber, SerialNumber, OwnerName, OwnerAddress, OwnerPhone)

Assumptions:

Each model number is unique to its brand and type. For example, a Kenmore washer could have a model number of KEN-WASH-990.

Serial numbers are just numbers, like 12345678, so could be duplicated.

Owner phone numbers are unique.

State any other assumptions you make.

Relation 2:

This relation is about playgroups for children. Any child can belong to any playgroup. Each playgroup meets at a certain parents home. That parent is the playgroup leader.

PLAYGROUP (ParentName, ParentEmail, ParentAddress, ChildName, PlayGroup, GroupLeader)

Assumptions:

Each parent has a unique e-mail address.

Each playgroup has a unique name.

Each playgroup has only one leader.

State any other assumptions you make.