Test is related to Student. Student is a type of Worker. Politician is a type of Worker. 
Strip is a synonym of Slip. Slip is related to Loss. Loss is a synonym of Decrease. Casualty is a type of Decrease. 
Test <--RelatedTo--> Student --IsA--> Worker <--IsA-- Politician 
Strip <--Synonym--> Slip <--RelatedTo--> Loss <--Synonym--> Decrease <--IsA-- Casualty 