Entrepreneurs should have the ability to communicate and persuade, which is an essential ability to successfully start a business. The purpose of entrepreneurship is to make the public recognize and buy your products and services. Therefore, the ability to communicate and persuade is as important as execution. Based on the above points, which of the following conclusions cannot be reached? ['People who have both the ability to communicate and persuade and execute are successful entrepreneurs.', 'Execution is also essential for successful entrepreneurship.', 'Without the ability to communicate and persuade, it is impossible to start a successful business.', 'Liu Chang is a successful entrepreneur, he must have a strong ability to communicate and persuade.']