In recent years, due to climate change, the Sichuan region has become increasingly hot, leading to an increase in demand for air conditioners. Therefore, it is estimated that the price of air conditioners in Sichuan will increase significantly. If the following items are true, they can weaken the above discussion. ['The price of air conditioners in Sichuan was lower last year.', 'The output of air conditioners this year has increased significantly compared to last year.', 'Climate warming is not as severe as experts estimate.', "Sichuan's climate may not be as hot as last year."]