Southern is related to Cotton. Cotton is related to Cloth. Cloth is related to Tie. 
Pack is related to Card. Card is related to Part. Part is related to Unit. Unit is related to Squad. 
Southern <--RelatedTo--> Cotton <--RelatedTo--> Cloth <--RelatedTo--> Tie 
Pack <--RelatedTo--> Card <--RelatedTo--> Part <--RelatedTo--> Unit <--RelatedTo--> Squad 