Inside is related to Closet. you are likely to find Rifle in/at/on Closet. you are likely to find Rifle in/at/on Cabinet. you are likely to find Plastic in/at/on Cabinet. 
Operator is a type of Businessman. Operator is a synonym of Function. Mechanism can be used for Function. Mechanism is a synonym of Dynamic. 
Inside <--RelatedTo--> Closet <--AtLocation-- Rifle --AtLocation--> Cabinet <--AtLocation-- Plastic 
Businessman <--IsA-- Operator <--Synonym--> Function <--UsedFor-- Mechanism <--Synonym--> Dynamic 