Invitation is related to Come. Come is the opposite of Flee. 
Dirt is related to Earth. Earth is related to Name. Name is related to Bush. Bush is related to Oil. 
Invitation <--RelatedTo--> Come <--Antonym--> Flee 
Dirt <--RelatedTo--> Earth <--RelatedTo--> Name <--RelatedTo--> Bush <--RelatedTo--> Oil 