Please answer this: Determine the topic of the question-answer pair. Question: "what is an irregular heartbeat pvc?";  Answer: "In a PVC, the ventricles contract first and before the atria have optimally filled the ventricles with blood, which means that circulation is inefficient."? Topic:
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Answer: Premature ventricular contraction


Please answer this: Determine the topic of the question-answer pair. Question: "what is the name of the wizard of oz?";  Answer: "The Wizard of Oz, known during his reign as The Great and Powerful Oz, is the epithet of Oscar Zoroaster Phadrig Isaac Norman Henkel Emmannuel Ambroise Diggs, a fictional character in the Land of Oz , created by American author L. Frank Baum ."? Topic:
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Answer: Wizard of Oz (character)


Please answer this: Determine the topic of the question-answer pair. Question: "what does base jumping stand for?";  Answer: ""BASE" is an acronym that stands for four categories of fixed objects from which one can jump: buildings , antennas , spans ( bridges ), and earth ( cliffs )."? Topic:
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Answer:
BASE jumping