Speaker is related to Poet. Poet is related to Job. Job is related to Degree. Degree is related to Outcome. 
Angle is a synonym of Perspective. Perspective is related to Opinion. Bias is a type of Opinion. 
Speaker <--RelatedTo--> Poet <--RelatedTo--> Job <--RelatedTo--> Degree <--RelatedTo--> Outcome 
Angle <--Synonym--> Perspective <--RelatedTo--> Opinion <--IsA-- Bias 