Soviet is a type of Person. Person is related to Cell. Cell is related to Single. Single is related to Unit. 
Drag is a type of Resistance. Drag is the opposite of Carry. Box can be used for Carry. Box is related to Cake. 
Soviet --IsA--> Person <--RelatedTo--> Cell <--RelatedTo--> Single <--RelatedTo--> Unit 
Resistance <--IsA-- Drag <--Antonym--> Carry <--UsedFor-- Box <--RelatedTo--> Cake 