Surprise is related to Shock. Shock is related to Feeling. Affect is a type of Feeling. Affect is a synonym of Alter. 
Bias is the opposite of Balance. Balance is related to Weight. 
Surprise <--RelatedTo--> Shock <--RelatedTo--> Feeling <--IsA-- Affect <--Synonym--> Alter 
Bias <--Antonym--> Balance <--RelatedTo--> Weight 