<prompt> Translate the following text to EnglishKama ilivyoelezwa hapo juu, sheria ya kosher inapaswa kuwa na madhumuni ya kuondoa wanyama ambao wanashindana na sisi kwa chakula tunachohitaji.  <response>: An ecological theory of the kosher laws suggests that theyre meant to proscribe animals whod compete with us for the foods we need. 