Thanksgiving is a type of Holiday. Holiday is related to Occasion. Occasion is related to Birthday. Birthday is related to Dessert. 
Internal is related to Lung. Lung is related to Body. Body is related to Coat. 
Thanksgiving --IsA--> Holiday <--RelatedTo--> Occasion <--RelatedTo--> Birthday <--RelatedTo--> Dessert 
Internal <--RelatedTo--> Lung <--RelatedTo--> Body <--RelatedTo--> Coat 