Orange is a type of Color. Color is related to Sky. you are likely to find Dust in/at/on Sky. you are likely to find Dust in/at/on Library. 
Hand is related to Watch. Watch is related to Danger. Danger is related to Concern. Concern is a type of Emotion. 
Orange --IsA--> Color <--RelatedTo--> Sky <--AtLocation-- Dust --AtLocation--> Library 
Hand <--RelatedTo--> Watch <--RelatedTo--> Danger <--RelatedTo--> Concern --IsA--> Emotion 