sentences:  After Hilltop Youth attacked an Israeli army base in 2011, Ariel protested Israeli officials who called the group "terrorists", and condemned calls for the use of lethal force to repel such attacks in the future.In January 2012, Ariel admitted to giving IDF troop movement information to such militants in order to facilitate disruption of army activities, saying, "If a person who transfers information about IDF movements is a spy, then I am a spy".Ariel was ranked by the settler NGO Matot Arim as the most effective right-wing MK in 2011, and the second most right-wing in 2012.