Price competition: According to the market conditions, enterprises can compete with competitors for market share by adopting measures such as price increase, maintenance or reduction, or taking measures such as pricing and price adjustment according to the situation of competitors. Which of the following does not belong to price competition? ["During the New Year's Day of a certain brand of clothing, sales of old down jackets are discounted at counters in major shopping malls.", 'A manufacturer hires a salesperson to distribute leaflets and souvenirs to attract customers in downtown.', 'A brand of the car launched a new model, the same series of old cars sharply reduced prices.', 'An insurance company launched a one-time purchase of a small discount insurance business in response to the increase in private car users.']