<prompt> Translate the following text to EnglishHii ni mkusanyiko wa kibinafsi wa kuvutia, lakini kuna wale ambao wamekosoa kuwa mkusanyiko wa kuonekana wa kazi ndogo za wasanii wakuu.  <response>: An impressive private collection it certainly is, but there are those who have criticized it as an ostentatious collection of minor works by major artists. 