<prompt> Translate the following text to SwahiliIn fact, some impotence researchers assert that the success rates of prostaglandin may not be much better than the success rates of placebos.  <response>: Kwa kweli, watafiti fulani wa kutokuwa na uwezo wa kufanya ngono wanasema kwamba viwango vya mafanikio ya prostaglandin huenda visikuwa bora zaidi kuliko viwango vya mafanikio ya placebo. 