Hour is related to Limit. Limit is related to Credit. 
Bunch is related to Flower. Flower is related to Dirt. you are likely to find Dirt in/at/on Carpet. you are likely to find Carpet in/at/on Bed. 
Hour <--RelatedTo--> Limit <--RelatedTo--> Credit 
Bunch <--RelatedTo--> Flower <--RelatedTo--> Dirt --AtLocation--> Carpet --AtLocation--> Bed 