Input (grade 7): According to a U.S Air Force webpage: Approximately 2,800 Kamikaze attackers sunk 34 Navy ships, damaged 368 others, killed 4,900 sailors, and wounded over 4,800.
Output (grade 4): According to a U.S. Air Force source, the kamikaze attackers sunk 34 Navy ships, damaged 368 others, killed 4,900 sailors, and wounded over 4,800.