Structural is related to Beam. Beam is related to Wooden. Wooden is related to Table. you are likely to find Coin in/at/on Table. 
Lemon is related to Skin. Tissue is part of Skin. Cell is part of Tissue. Cell is related to Phone. 
Structural <--RelatedTo--> Beam <--RelatedTo--> Wooden <--RelatedTo--> Table <--AtLocation-- Coin 
Lemon <--RelatedTo--> Skin <--PartOf-- Tissue <--PartOf-- Cell <--RelatedTo--> Phone 