Painting is related to Canvas. Canvas can be used for Art. you are likely to find Horse in/at/on Art. Horse is related to Track. 
Prayer is related to Mass. Drift is a type of Mass. 
Painting <--RelatedTo--> Canvas --UsedFor--> Art <--AtLocation-- Horse <--RelatedTo--> Track 
Prayer <--RelatedTo--> Mass <--IsA-- Drift 