Original sentence: As a result of that, more than a quarter of the inhabitants speaks Basque.Currently this dialect is being recovered by teaching the dialectal features to the Euskara Batua speakers.Euskara Batua has been used in the Valley starting from 1980 onwards.However, the dialect has been documented over the 18th to 21th century.It is also known as Zaraitzu dialect or Salazar dialect.This dialect was spoken by the majority of the population until the first half of the 20th century; ever since, the number of speakers started a marked decline.Zaraitzu Basque or Salazarese ( or ) is the Basque dialect spoken in Zaraitzu or Salazar Valley
Edited sentence: According to the 2002 linguistic census, there were only two native speakers left, both with ages over 85, hence, the dialect itself can be considered extinct nowadays.As a result of that, roughly a quarter of the Salazar valley inhabittants speak the new Batua Basque.Basque in the Salazar valley was spoken until the first half of the 20th century; ever since, the number of speakers started a marked decline.However, the dialect had been documented over the 19th and 20th century.In English it is also known as Zaraitzu Basque, the Zaraitzu dialect or Salazar dialect; in Spanish as Salacenco and in Basque as Zaraitzuko euskara (locally ''Zaraitzuko uskara).On the other side, Batua the new official version of the Basque language has experienced a revival in Spain starting from 1980 onwards.Salazarese is the Basque dialect own to the Salazar Valley of Navarre, Spain.Therefore, it could be possible to revive the Salazarese dialect in various grades by teaching the historical dialectal features of Salazarese to the Batua speakers