<prompt> Ramba uchinyora ndima iyi - Davis akashanda somukuru mukuru wehondo yeAntarctic panguva yaErnest Shackletons Antarctic expedition  <response>: muna 19081909. Akanga ari kaputeni uye wechipiri mukutungamira kweDouglas Mawsons Australasian Antarctic expedition muna 1911-1914. 