 Evenson argues that the seven sentences were not in version E or F when Bell sent version F to Pollok in early January 1876.Pollok rewrote the claims on page 10 of version F and his clerk copied version F into an engrossed "fair copy" (version X) which Pollok sent to Bell.On January 20, Bell signed the last page of version X, had it notarized on the last page, and returned it to Pollok with instructions to hold it until Bell received a message from George Brown.