Skull is related to Face. Face is related to Hair. Hair is related to Permanent. Permanent is a different concept from Changing. 
Opinion is the opposite of Partial. Partial is related to Shade. 
Skull <--RelatedTo--> Face <--RelatedTo--> Hair <--RelatedTo--> Permanent <--DistinctFrom--> Changing 
Opinion <--Antonym--> Partial <--RelatedTo--> Shade 