Stomach is a synonym of Gut. Gut is related to String. String is a synonym of Train. 
Nation is related to Ambassador. Ambassador is related to Government. Government is related to Prosecutor. Prosecutor is a different concept from Defender. 
Stomach <--Synonym--> Gut <--RelatedTo--> String <--Synonym--> Train 
Nation <--RelatedTo--> Ambassador <--RelatedTo--> Government <--RelatedTo--> Prosecutor <--DistinctFrom--> Defender 