Part is a synonym of Distribute. Distribute is a synonym of Classify. Classify entails/necessarily involves Compare. 
Contemporary is related to Recent. Recent is the opposite of Long. Long is related to Test. 
Part <--Synonym--> Distribute <--Synonym--> Classify --Entails--> Compare 
Contemporary <--RelatedTo--> Recent <--Antonym--> Long <--RelatedTo--> Test 