Suppose The Harry Potter series, written by J.K. Rowling, follows the wizarding adventures of young Harry Potter and his friends Hermione Granger and Ron Weasley. The series consists of seven books, each detailing a year of Harry's education at Hogwarts School of Witchcraft and Wizardry. The books have been adapted into a successful film franchise.
Can we infer that "The Harry Potter books were never turned into movies."? Yes, no, or maybe?