Acid is a type of Chemical. Chemical is related to Paint. Paint is the opposite of Scratch. 
Section is a synonym of Division. Division is related to Process. Process is a synonym of March. March is related to Demonstration. 
Acid --IsA--> Chemical <--RelatedTo--> Paint <--Antonym--> Scratch 
Section <--Synonym--> Division <--RelatedTo--> Process <--Synonym--> March <--RelatedTo--> Demonstration 