Sanction is a type of Approval. Approval is related to Ask. Ask is related to Plead. Plead is a type of Apologize. 
Check is a synonym of Arrest. Police can Arrest. Police is a synonym of Cop. Cop is a synonym of Bull. 
Sanction --IsA--> Approval <--RelatedTo--> Ask <--RelatedTo--> Plead --IsA--> Apologize 
Check <--Synonym--> Arrest <--CapableOf-- Police <--Synonym--> Cop <--Synonym--> Bull 