Input question: UN Secretary Dag Hammarskjold was killed over which country?

Output answer: congo

Input question: What word prefixes business, room, and case, to produce three other words

Output answer: show

Input question: Sir Edmund Barton became the first prime minister of which country in 1901?

Output answer: australia

Input question: A penny-farthing (high-wheel) bicycle is steered by which wheel(s)?

Output answer:
front