It's one of the most prickly and contentious topics out there – and it's driven a wedge between housemates, colleagues, partners, families and friends for generations.
But now, the pain is over.
We've devised a quiz, drawing upon the global expertise of the tea-making community – and leaving out such subjective issues as milk and sugar – to finally put an end to this divisive issue.
Answer honestly, then pass it on to your tea-making nemeses to prove that you are truly the King or Queen of the Brew.
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