<prompt> Translate the following text to EnglishKama alivyoeleza mwanasayansi Frans de Waal, chimpanzi wa kiume wanaonekana kuishi katika ulimwengu wa cheo cha juu, na wanashiriki wa muungano wa kubadilishana na nguvu moja ya kudumu.  <response>: As the primatologist Frans de Waal has observed, male chimps seem to live in a hierarchical world with replaceable coalition partners and a single permanent power. 