Input question: In which of Grimm's fairy tales does the wicked witch end up in the oven?

Output answer: hansel and gretel

Input question: What word, meaning 'measure' in Greek, refers to the rhythm of a line of verse?

Output answer: metre

Input question: The characters Captain Cuttle and Mrs MacStinger appear in which Dickins novel?

Output answer: dombey son

Input question: The volume of (soccer) football (regulation adult 70cm circumference) is approximately how many litres?

Output answer:
5 8