Opinion is a synonym of Angle. Angle is related to Part. 
Reject is a synonym of Deny. Deny is related to Protest. Protest is related to Big. Big is similar to Important. 
Opinion <--Synonym--> Angle <--RelatedTo--> Part 
Reject <--Synonym--> Deny <--RelatedTo--> Protest <--RelatedTo--> Big <--SimilarTo--> Important 