Teacher:In this task, given a sentence in the Japanese language, your task is to convert it into the English language.
Teacher: Now, understand the problem? Solve this instance: 緑の党は、１月３１日／２月１日の週末に２つの太陽光発電所を開く方針を明らかにした。
Student:
The Greens unveiled its policy to open two solar power stations on the weekend of January 31/February 1.