Mess is related to Nest. Nest is related to Outside. Outside is a synonym of International. International is a different concept from Local. 
Plain is related to Feature. Feature is related to Forehead. Forehead is related to Thinking. 
Mess <--RelatedTo--> Nest <--RelatedTo--> Outside <--Synonym--> International <--DistinctFrom--> Local 
Plain <--RelatedTo--> Feature <--RelatedTo--> Forehead <--RelatedTo--> Thinking 