Input (grade 8): 1977 & ndash; The 1977 Hanafi Muslim Siege: more than 130 hostages held in Washington, D.C., by Hanafi Muslims are set free after ambassadors from three Islamic nations join negotiations.
Output (grade 7): 1977 - 130 + hostages held in Washington, D.C., by Hanafi Muslims were set free after ambassadors from three Islamic nations joined negotiations.