Pin is related to Head. Head is related to Master. Master is a synonym of Dominate. Dominate is related to Rule. 
Subject is a synonym of Content. Content is related to Being. Being is related to Safety. 
Pin <--RelatedTo--> Head <--RelatedTo--> Master <--Synonym--> Dominate <--RelatedTo--> Rule 
Subject <--Synonym--> Content <--RelatedTo--> Being <--RelatedTo--> Safety 