Question: Larry is the 10 Downing Street, official resident cat of the Prime Minister of the UK, also called? 
Sentence (from "Chief Mouser to the Cabinet Office"): There has been a resident Treasury or Downing Street cat employed as a mouser and pet since the reign of Henry VIII, when Cardinal Wolsey placed his cat by his side while acting in his judicial capacity as Lord Chancellor, an office he assumed in 1515.
Relevant evidence: No