Input question: Which river has its source in Zambia and flows through Angola, Namibia, Botswana and Zimbabwe before emptying into the Indian Ocean in Mozambique?

Output answer: zambesi

Input question: What is the married surname of Catherine in Wuthering Heights?

Output answer: linton

Input question: What type of headgear was named after a battle in the Crimean War?

Output answer: balaclava

Input question: What physical fact was proven by Foucault's pendulum?

Output answer:
that earth rotates