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The number $v$ is irrational. Which statement about $v - \sqrt{47}$ is true?$\newline$Choices:$\newline$(A)$v - \sqrt{47}$ is rational.$\newline$(B)$v - \sqrt{47}$ is irrational.$\newline$(C)$v - \sqrt{47}$ can be rational or irrational, depending on the value of $v$.