A sole proprietorship refers to an operating entity established in accordance with the law, invested by a natural person, whose property is the investor's personal ownership, and whose investor's personal property bears unlimited liability for corporate debt. Based on the above definition, which of the following is correct in the following options? ["Lee built a factory with personal savings, and then the company did not run well and could not pay the debts due. The creditors went to Lee's house and asked his family to pay the debts for Li.", 'Xiaoming suffers from polio, but it does not prevent him from becoming an investor in a sole proprietorship.', 'Xiaohui, 15 years old, flexible-minded, using years of "New Year\'s money" to fund the establishment of a sole proprietorship.', 'Due to the huge profits of cigarettes, Longmou decided to set up a sole proprietorship enterprise to sell its own homemade cigarettes.']