Problem: What is the question to: "The Chinese invented technologies involving mechanics , hydraulics , and mathematics applied to horology , metallurgy , astronomy , agriculture , engineering , music theory , craftsmanship , nautics , and warfare ."? The topic is List of Chinese inventions.

A: "what are some chinese inventions?"

Problem: What is the question to: "Gabrielle "Coco" Bonheur Chanel (August 19, 1883 January 10, 1971) was a French fashion designer and founder of the Chanel brand."? The topic is Coco Chanel.

A: "what was Coco Chanel's real first name??"

Problem: What is the question to: "A pothole (sometimes called a kettle and known in parts of the Western United States as a chuckhole) is a type of disruption in the surface of a roadway where a portion of the road material has broken away, leaving a hole."? The topic is Pothole.

A: "How is the pothole formed?"

Problem: What is the question to: ""good luck") is a phrase used to express congratulations for a happy and significant occasion or event."? The topic is Mazel tov.

A:
"what does Mazel tov! mean?"