Agricultural product subsidies usually refer to a country's government providing financial support to its agricultural product producers or operators, including cash subsidies, price support or other policy preferential policies, so that its agricultural products can obtain competitive advantages compared with similar products without subsidies in the international and domestic markets.
According to the above definition, which of the followings is an agricultural product subsidy?
The government of a certain country made a bridge between the farmers and the rice research institute, so that the farmers of this country planted a new variety of rice. The quality and yield of this kind of rice have been greatly improved, making the export price of rice in this country almost the same as that in the international market.