Q: What is the question to: "A premature ventricular contraction (PVC), also known as a premature ventricular complex, ventricular premature contraction (or complex or complexes) (VPC), ventricular premature beat (VPB), or ventricular extrasystole (VES), is a relatively common event where the heartbeat is initiated by Purkinje fibres in the ventricles rather than by the sinoatrial node , the normal heartbeat initiator."? The topic is Premature ventricular contraction.
A: "what is an irregular heartbeat pvc?"

Q: What is the question to: "Australia is a continent comprising mainland Australia , Tasmania , New Guinea , Seram , possibly Timor , and neighbouring islands."? The topic is Australia (continent).
A: "what continent is australia?"

Q: What is the question to: "A role-playing game (RPG and sometimes roleplaying game) is a game in which players assume the roles of characters in a fictional setting ."? The topic is Role-playing game.
A: "what is a roll play games?"

Q: What is the question to: "A value added tax (VAT) is a form of consumption tax ."? The topic is Value added tax.
A:
"what is vat tax??"