Chain is part of Molecule. you are likely to find Molecule in/at/on Substance. Substance is related to Air. Air is the opposite of Heat. 
Organizational is related to Department. Department is related to Fire. Fire is related to Bright. 
Chain --PartOf--> Molecule --AtLocation--> Substance <--RelatedTo--> Air <--Antonym--> Heat 
Organizational <--RelatedTo--> Department <--RelatedTo--> Fire <--RelatedTo--> Bright 