Sangeeta remembers that her father's birthday was certainly after $8^{th}$ but before $13^{th}$ of December. Her sister Natasha remembers that their father's birthday was definitely after $9^{th}$ but before $14^{th}$ of December. On which date of December was their father's birthday?

  • A
    $10^{th}$
  • B
    $11^{th}$
  • C
    $12^{th}$
  • D
    Data inadequate

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