Marble is related to Earth. Earth is related to Element. Element is related to Metal. Metal is related to Rocket. 
Red is part of Spectrum. you are likely to find Potato in/at/on Red. 
Marble <--RelatedTo--> Earth <--RelatedTo--> Element <--RelatedTo--> Metal <--RelatedTo--> Rocket 
Spectrum <--PartOf-- Red <--AtLocation-- Potato 