The column settings of a literary journal website are usually adjusted at any time according to reader feedback and page views. In September last year, a number of new columns appeared on the revised website. Among them, 5 columns are serials of comedy and humor, and 3 columns It is a long-form science fiction serial, and the two columns are literary criticism. As of January this year, only seven of these newly launched columns are still being updated, and five of them are serials of comedy and humor. If the above statement is true, which of the following can be derived from the stem? ['There is only one column for literary criticism.', 'There is only one column for a long-form science fiction novel.', 'At least one feature-length science-fiction column has been offline.', 'Compared to literary criticism, readers prefer serials in comedy and humor.']