<prompt> Translate the following text to SwahiliOregon State University anthropologist Rob Bonnichsen thinks the latter is a possibility, which would explain why some ancient American tools are more similar to European ones than to Asian ones.  <response>: Rob Bonnichsen, mtaalamu wa anthropolojia wa Chuo Kikuu cha Jimbo la Oregon, anaamini kwamba uwezekano wa mwisho ni uwezekano, ambao ungeeleza kwa nini baadhi ya zana za kale za Marekani zinafanana zaidi na zile za Ulaya kuliko zile za Asia. 