Determine the topic of the passage. "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." Topic:
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Answer: Premature ventricular contraction

Q: Determine the topic of the passage. "Galveston County is a county located in the U.S. state of Texas within the Houston–Sugar Land–Baytown metropolitan area." Topic:
A: Galveston County, Texas

Question: Determine the topic of the passage. "According to a 2005 Pew Hispanic Center report, 56% of undocumented immigrants were from Mexico ; 22% were from other Latin American countries; 13% were from Asia; 6% were from Europe and Canada; and 3% were from Africa and the rest of the world." Topic:
Answer: Illegal immigration to the United States

[Q]: Determine the topic of the passage. "Kevin Brereton (born February 20, 1972), better known by his stage name k-os (; "chaos"), is a Canadian rapper , singer , songwriter and record producer ." Topic:
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[A]: K-os

input: Please answer the following: Determine the topic of the passage. "It is a guarantee by the transferring financial institution that the signature is genuine and the financial institution accepts liability for any forgery." Topic:
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output: Medallion signature guarantee

Determine the topic of the passage. "Once appointed, justices have life tenure unless they resign, retire, or are removed after impeachment ." Topic:
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Answer:
Supreme Court of the United States