Shape is related to Shade. Shade is related to Negative. 
Surround is a synonym of Belt. Belt is a synonym of Sock. Sock is related to Heel. Heel is a synonym of List. 
Shape <--RelatedTo--> Shade <--RelatedTo--> Negative 
Surround <--Synonym--> Belt <--Synonym--> Sock <--RelatedTo--> Heel <--Synonym--> List 