def __init__(self, tokenizer=None, trie=None):
pyee.EventEmitter.__init__(self)<EOL>self.tokenizer = tokenizer or EnglishTokenizer()<EOL>self.trie = trie or Trie()<EOL>self.regular_expressions_entities = []<EOL>self._regex_strings = set()<EOL>self.tagger = EntityTagger(self.trie, self.tokenizer, self.regular_expressions_entities)<EOL>self.intent_parsers = []<EOL>
Initialize the IntentDeterminationEngine

Args:
    tokenizer(tokenizer) : tokenizer used to break up spoken text
        example EnglishTokenizer()
    trie(Trie): tree of matches to Entites