Dna is a type of Molecule. you are likely to find Molecule in/at/on Substance. you are likely to find Substance in/at/on Container. you are likely to find Trash in/at/on Container. 
Tax is related to Addition. Addition is the opposite of Reduction. Reduction is the opposite of Growth. 
Dna --IsA--> Molecule --AtLocation--> Substance --AtLocation--> Container <--AtLocation-- Trash 
Tax <--RelatedTo--> Addition <--Antonym--> Reduction <--Antonym--> Growth 