Original sentence: Ilavezhagen (director, DIPAS) said a conclusion on the survival mechanism would be drawn only after critically analyzing the reports of tests carried out during April 22-May 6, which may take up to several months.In 2010, a team of researchers kept Jani under round-the-clock surveillance for 15 days, and reported that he did not consume any food or water during this time, although they could not comment on his claim of having been able to survive in this way for several years
Edited sentence: In 2010, a team of researchers kept Jani under round-the-clock surveillance for 15 days, and reported that according to their observations he did not appear to consume any food or water during this time, although they could not comment on his claim of having been able to survive in this way for several years.The study did not reach any conclusions about the survival mechanism