'Generate an array of sentences
:example [\'Lorem ipsum dolor sit amet.\', \'Consectetur adipisicing eli.\']
Keyword arguments:
:param nb: how many sentences to return
:param ext_word_list: a list of words you would like to have instead of
\'Lorem ipsum\'.
:rtype: list'

@classmethod
def sentences(cls, nb=3, ext_word_list=None):

    return [cls.sentence(ext_word_list=ext_word_list) for _ in range(0, nb)]
