Oxygen is related to Molecule. Dna is a type of Molecule. Dna can be used for Convict. 
Matter have Mass. Mass is related to Big. Big is related to Christmas. Christmas is related to Night. 
Oxygen <--RelatedTo--> Molecule <--IsA-- Dna --UsedFor--> Convict 
Matter --HasA--> Mass <--RelatedTo--> Big <--RelatedTo--> Christmas <--RelatedTo--> Night 