Popular is related to Demand. Demand is related to Threat. 
Garden is related to Agriculture. Agriculture is related to Farmer. Farmer is related to Life. Lifetime is derived from Life. 
Popular <--RelatedTo--> Demand <--RelatedTo--> Threat 
Garden <--RelatedTo--> Agriculture <--RelatedTo--> Farmer <--RelatedTo--> Life <--DerivedFrom-- Lifetime 