<prompt> Translate the following text to EnglishProgramu ya mvua ya asidi imekuwa na mafanikio makubwa, kupunguza uzalishaji wa sulfur dioxide kwa asilimia 50 chini ya viwango vilivyoruhusiwa.  <response>: The acid rain program has been a resounding success, cutting annual sulfur dioxide emissions in the first phase by 50 percent below allowed levels. 