Farm is related to Arm. Arm is related to Upper. Upper is related to Class. Class is related to Freshman. 
Extent is related to Reach. Reach is a synonym of Contact. Contact is related to Address. 
Farm <--RelatedTo--> Arm <--RelatedTo--> Upper <--RelatedTo--> Class <--RelatedTo--> Freshman 
Extent <--RelatedTo--> Reach <--Synonym--> Contact <--RelatedTo--> Address 