Select the option, which is the logical equivalent of the statement given below: It is not true that both Swarna and Swapna are writers.

• A. Swarna is not a writer and Swapna is a not a writer.
• B. Swarna is not a writer or Swapna is not a writer.
• C. Swarna is not a writer and Swapna is a writer
• D. Swarna is a writer and Swapna is not a writer