question: Answer this question.

Mekele and Adama are the 2nd/3rd most populous cities in which African country?
answer: ethiopia
question: Answer this question.

Which actor portrayed the fictional detective Columbo on screen?
answer: peter falk
question: Answer this question.

What structure has forms called 'Dogleg', 'Straight', 'Open', 'Well' and 'Circular'?
answer:
staircase