Wall is related to Gate. Gate is related to Yard. Yard is related to Grass. 
Plunge is a synonym of Dump. Dump is a type of Drop. Drop is related to Animal. Animal is related to Kingdom. 
Wall <--RelatedTo--> Gate <--RelatedTo--> Yard <--RelatedTo--> Grass 
Plunge <--Synonym--> Dump --IsA--> Drop <--RelatedTo--> Animal <--RelatedTo--> Kingdom 