Company is related to Business. Business is related to Ceo. Ceo is related to Headquarters. Headquarters is related to Corporate. 
Gas is related to Material. Copy is a type of Material. 
Company <--RelatedTo--> Business <--RelatedTo--> Ceo <--RelatedTo--> Headquarters <--RelatedTo--> Corporate 
Gas <--RelatedTo--> Material <--IsA-- Copy 