Equipment is related to Beam. Tie is a type of Beam. Team is etymologically related to Tie. 
Sake is a synonym of Interest. Interest is related to Extra. Extra is a synonym of Special. Special is related to Sale. 
Equipment <--RelatedTo--> Beam <--IsA-- Tie <--EtymologicallyRelatedTo-- Team 
Sake <--Synonym--> Interest <--RelatedTo--> Extra <--Synonym--> Special <--RelatedTo--> Sale 