Stealth positioning strategy means that when a class of products is not favored by consumers, the company can legally use certain strategies to eliminate consumer prejudice against such products without breaking the boundaries of product categories and make consumers accept them. They achieve better sales. According to the above definitions, which of the following does not apply the stealth positioning strategy? ['The sales of a game machine produced by a company are not good. The company decided to upgrade the product and proposed the concept of creating a home entertainment platform.', 'A company has developed a home robot, but consumers are not interested. The company adjusted its thinking and launched a cute, non-housework robotic dog that became very popular as soon as it was launched.', 'A company launches a small computer that is rarely concerned due to high pricing. The company emphasizes in its product promotion that it can be used as a mobile digital device to distinguish it from low-end products, thereby opening up sales.', 'A company launched a new SUV model, but few people asked for it, so the company launched another expensive sports car.']