What is the question to: "A CAPTCHA () is a type of challenge-response test used in computing as an attempt to ensure that the response is generated by a human being ."? The topic is CAPTCHA.
Ans: "what is captcha code?"

What is the question to: "The Ten Commandments appear twice in the Hebrew Bible , in the books of Exodus and Deuteronomy ."? The topic is Ten Commandments.
Ans: "where are the ten commandments in the bible?"

What is the question to: "Dumbledore is portrayed by Richard Harris in the film adaptions of Harry Potter and the Philosopher's Stone and Harry Potter and the Chamber of Secrets ."? The topic is Albus Dumbledore.
Ans: "who played dumbledore in harry potter?"

What is the question to: "Dialysis tubing is a type of semi- or partially permeable membrane tubing made from regenerated cellulose or cellophane ."? The topic is Dialysis tubing.
Ans: "what are dialysis tubes?"