Overlook is a synonym of Dominate. Dominate is a synonym of Command. Command is related to Direction. Direction is related to Straight. 
Office is a type of Staff. Office is related to Branch. Branch is related to Fork. you are likely to find Fork in/at/on Back. 
Overlook <--Synonym--> Dominate <--Synonym--> Command <--RelatedTo--> Direction <--RelatedTo--> Straight 
Staff <--IsA-- Office <--RelatedTo--> Branch <--RelatedTo--> Fork --AtLocation--> Back 