Farm is related to Agriculture. Agriculture is related to Garden. Garden is related to Private. Private is a type of Rocket. 
Policeman is related to Captain. Captain is the opposite of Hand. 
Farm <--RelatedTo--> Agriculture <--RelatedTo--> Garden <--RelatedTo--> Private --IsA--> Rocket 
Policeman <--RelatedTo--> Captain <--Antonym--> Hand 