Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Children aged 11 were given a homework sheet on terrorism which asked them to describe 'Palestinian terrorist activities' and posed questions about al-Qaeda and Hamas. The document was given to pupils at New Stevenston Primary, Motherwell, North Lanarkshire and also included a cartoon image of an explosion. Parents spoke of their shock after images of the question sheet were circulated online after it was discovered. Pupils in Larnarkshire, aged seven, were given this homework sheet which asks them about terrorism, poses questions about the IRA and Hamas and included a cartoon bomb. The council said it is obsolete The council claimed the homework sheet is obsolete and was given to pupils by accident.Children, 11, given a homework sheet asking about Palestinian terrorismSheet included bomb cartoon and questions about Hamas and al-QaedaIt asks which are two main terrorist groups operating in Northern Ireland?Sheet given to pupils at primary school in Motherwell, North LankarshireIt was posted on the internet and branded 'shocking' by campaignersNorth Lanarkshire council said it was a mistake and sheet is now obsoleteCouncil is contacting all local schools to request they do not use itIt is believed homework sheet was given out to pupils by accident 
 Question:The _ - a name given to numerous separate republican groups - similarly has been on ceasefire since 1997.

IRA