Vary is related to Variety. Variety is a synonym of Description. Description is related to Old. Old is related to Warrior. 
Source is related to Sheep. Sheep is related to Fabric. 
Vary <--RelatedTo--> Variety <--Synonym--> Description <--RelatedTo--> Old <--RelatedTo--> Warrior 
Source <--RelatedTo--> Sheep <--RelatedTo--> Fabric 