def __init__(self, sentence, string, lemma=None, type=None, index=<NUM_LIT:0>):
if not isinstance(string, unicode):<EOL><INDENT>try: string = string.decode("<STR_LIT:utf-8>") <EOL>except: <EOL><INDENT>pass<EOL><DEDENT><DEDENT>self.sentence = sentence<EOL>self.index    = index<EOL>self.string   = string   <EOL>self.lemma    = lemma    <EOL>self.type     = type     <EOL>self.chunk    = None     <EOL>self.pnp      = None     <EOL>self._custom_tags = None<EOL>
A word in the sentence.
            - lemma: base form of the word; "was" => "be".
            -  type: the part-of-speech tag; "NN" => a noun.
            - chunk: the chunk (or phrase) this word belongs to.
            - index: the index in the sentence.