Foreigner is the opposite of Citizen. Citizenship is derived from Citizen. Citizenship is a type of Situation. Validity is a type of Situation. 
Metal is related to Medal. Medal is a type of Award. 
Foreigner <--Antonym--> Citizen <--DerivedFrom-- Citizenship --IsA--> Situation <--IsA-- Validity 
Metal <--RelatedTo--> Medal --IsA--> Award 