Conflict is a synonym of Fight. Fight is related to Angry. 
Oil is related to Color. Color is related to Pale. Pale is a different concept from Bright. Bright is the opposite of Dirty. 
Conflict <--Synonym--> Fight <--RelatedTo--> Angry 
Oil <--RelatedTo--> Color <--RelatedTo--> Pale <--DistinctFrom--> Bright <--Antonym--> Dirty 