Unite is related to Coming. Coming is related to Birthday. Birthday is related to Old. 
Content is related to Being. Being is related to Energy. Energy is a type of Drive. Drive requires Steer. 
Unite <--RelatedTo--> Coming <--RelatedTo--> Birthday <--RelatedTo--> Old 
Content <--RelatedTo--> Being <--RelatedTo--> Energy --IsA--> Drive --HasPrerequisite--> Steer 