Gift is related to Blessing. Blessing is a type of Prayer. Prayer is related to Religious. 
Drug is related to Trip. Trip is a synonym of Travel. Light can Travel. Lighting is a form of Light. 
Gift <--RelatedTo--> Blessing --IsA--> Prayer <--RelatedTo--> Religious 
Drug <--RelatedTo--> Trip <--Synonym--> Travel <--CapableOf-- Light <--FormOf-- Lighting 