Label is a type of Marker. Marker is related to Claim. Contend is a type of Claim. Contend is a synonym of Dispute. 
Portrait is related to Face. Face is a synonym of Confront. 
Label --IsA--> Marker <--RelatedTo--> Claim <--IsA-- Contend <--Synonym--> Dispute 
Portrait <--RelatedTo--> Face <--Synonym--> Confront 