Mild is related to Weather. Weather is related to Sunny. Sunny is derived from Sun. 
you are likely to find Tea in/at/on Refrigerator. Refrigerator is related to Box. Box is related to Storage. 
Mild <--RelatedTo--> Weather <--RelatedTo--> Sunny --DerivedFrom--> Sun 
Tea --AtLocation--> Refrigerator <--RelatedTo--> Box <--RelatedTo--> Storage 