class_docstr: Class for loading the content of the multext-east corpus. It
  parses the xml files and does some tag-filtering depending on the
  given method parameters.
class_docstr_tok: ["Class","for","loading","the","content","of","the","multext-east","corpus",".","It","parses","the","xml","files","and","does","some","tag-filtering","depending","on","the","given","method","parameters","."]
code: def _lemma_sent_elt(cls, elt, context):
      return [
          cls._lemma_word_elt(w, None) for w in xpath(elt, "*", cls.ns)
      ]
  
imports: import os
  import re
  from functools import reduce
  from nltk.corpus.reader import TaggedCorpusReader, concat
  from nltk.corpus.reader.xmldocs import XMLCorpusView
label_desc: Use image node_id 9 for calling the MTEFileReader obj's underlying member method code with example usage: obj._lemma_sent_elt(cls, elt, context) and returns: unknown