Functional illiteracy: refers to those who have received a certain education and can basically read, write, and count, but cannot identify modern information symbols, charts, cannot use computers for information exchange and management, and cannot use modern living facilities. Which of the following does not involve functional illiteracy? ['Professor Li will only use his mobile phone to make calls, but will not send text messages.', 'Lawyer Lao Feng will not use his own stereo.', 'White-collar Xiaodan is helpless about his car getting stuck in the mud.', "College student Xiao Shao doesn't know how to operate in front of bank ATM."]