Input (grade 13): The 7 July 2005 London bombings, also known as 7/7, were a series of coordinated suicide attacks on London's public transport system during the morning rush hour.
Output (grade 10): The 7 July 2005 London bombings (also called the 7/7 bombings) were a series of coordinated suicide bomb attacks. They were aimed at London's public transport system during the morning rush hour.