Complex sentence: Peace talks on May 25,1992 originally agreed to give Hekmatyar the position of prime minister, however, this lasted less than a week after Hekmatyar had attempted to shoot down the plain of President Sibghatullah Mojaddedi.
Split into simpler sentences: Peace talks on May 25,1992 originally agreed to give Hekmatyar the position of prime minister. However, this lasted less than a week after Hekmatyar had attempted to shoot down the plane of President Sibghatullah Mojaddedi.