Base is a type of Ingredient. Base is a type of Compound. Acid is a type of Compound. 
Purse is a synonym of Poke. Poke is related to Touch. Touch is related to Interaction. Interaction is a type of Action. 
Ingredient <--IsA-- Base --IsA--> Compound <--IsA-- Acid 
Purse <--Synonym--> Poke <--RelatedTo--> Touch <--RelatedTo--> Interaction --IsA--> Action 