Suppose J.K. Rowling (born July 31, 1965) is a British author best known for creating the Harry Potter series. She has sold over 500 million copies of her books worldwide and has won numerous awards for her writing. J.K. Rowling also writes under the pseudonym Robert Galbraith for her crime fiction novels.
Can we infer that "J.K. Rowling has never written under a pseudonym"? Yes, no, or maybe?