Cottage is a type of House. you are likely to find Iron in/at/on House. 
Love is related to Special. Special is related to Plain. Plain is related to Land. Land is a synonym of Realm. 
Cottage --IsA--> House <--AtLocation-- Iron 
Love <--RelatedTo--> Special <--RelatedTo--> Plain <--RelatedTo--> Land <--Synonym--> Realm 