question: What is the answer: What musical instrument was invented by Johann Christophe Denner
answer: clarinet

question: What is the answer: The Copenhagen Criteria define eligibility for national membership of what organisation?
answer: european union

question: What is the answer: For what does the letter H stand in the pH scale?
answer: hydrogen

question: What is the answer: A veronique dish is garnished with which fruit?
answer:
grapes