<prompt> Bhala ukuqhubeka kwalesi sigaba - Operation Turus igama eliyimfihlo lomsebenzi wamasosha aseBrithani wokusiza iNigeria ngesikhathi sokuvukela kweBoko Haram  <response>: . futhi. Lolu hlelo lwasungulwa ngo-Ephreli 2014 nguNdunankulu uDavid Cameron njengempendulo yokuthunjwa kwamantombazane aseChibok. 