Only with sufficient capital investment and technical talents can a company's products have high-tech content, and this high-tech content is essential for a product to occupy the market in a long-term and stable manner. Which of the following conditions, if any, would most weaken the above conclusion? ['Apple brand computers have high-tech content and dominate the market for a long time.', 'Xizi washing machine has not been able to occupy the market steadily for a long time, but the product does not lack high-tech content.', 'Yangtze TV failed to occupy the market steadily for a long time because the product lacked high-tech content.', 'Qinghe Konghe has long and steadily occupied the market, but manufacturers of this product lack sufficient capital investment.']