Dispute is a type of Resistance. Resistance is a type of Action. Diplomatic is a type of Action. 
Policy is related to Foreign. Foreign is related to Ambassador. Ambassador is related to Diplomatic. 
Dispute --IsA--> Resistance --IsA--> Action <--IsA-- Diplomatic 
Policy <--RelatedTo--> Foreign <--RelatedTo--> Ambassador <--RelatedTo--> Diplomatic 