Group 1 - The core viewpoint of the articles indicates that geopolitical tensions, particularly regarding the US-Ukraine negotiations and the situation in Venezuela, are influencing oil prices, leading to a downward trend in crude oil prices despite some short-term rebounds [1][3][4] - The average price of reference oil as of December 18 is $59.18 per barrel, with expectations for domestic gasoline and diesel prices to decrease by 160 yuan per ton, with the next price adjustment window on December 22 [1][3] - The overall market sentiment for gasoline and diesel is weak, with low trading volumes and cautious attitudes from market participants, leading to a lack of significant demand despite the upcoming New Year holiday [3][4] Group 2 - The international oil prices are expected to show a pattern of rising initially and then declining, with a high likelihood of a "three consecutive declines" in retail prices [1][3] - Supply pressures are evident, with domestic refined oil production expected to increase slightly, while demand remains weak, particularly for diesel due to low outdoor needs in colder weather [3][4] - The overall liquidity in the refined oil market is diminishing, and prices are anticipated to continue a weak downward trend, with potential for minor rebounds aligned with crude oil price fluctuations [4]