Pale is related to Fair. Fair is a synonym of Pure. 
Poor is the opposite of Quality. Quality is related to Degree. Degree is a type of State. State is related to Comfort. 
Pale <--RelatedTo--> Fair <--Synonym--> Pure 
Poor <--Antonym--> Quality <--RelatedTo--> Degree --IsA--> State <--RelatedTo--> Comfort 