Evolution is related to Matter. Matter is related to Rub. Rub is related to Back. Back is related to Neck. 
Deputy is related to Police. Police is related to Chief. Ceo is derived from Chief. Ceo is derived from Executive. 
Evolution <--RelatedTo--> Matter <--RelatedTo--> Rub <--RelatedTo--> Back <--RelatedTo--> Neck 
Deputy <--RelatedTo--> Police <--RelatedTo--> Chief <--DerivedFrom-- Ceo --DerivedFrom--> Executive 