class_docstr: Chart parser for CCGs.
  Based largely on the ChartParser class from NLTK.
class_docstr_tok: ["Chart","parser","for","CCGs",".","Based","largely","on","the","ChartParser","class","from","NLTK","."]
code: def __init__(self, lexicon, rules, trace=0):
      self._lexicon = lexicon
      self._rules = rules
      self._trace = trace
  
imports: import itertools
  from nltk.ccg.combinator import *
  from nltk.ccg.combinator import BackwardApplication, BackwardBx, BackwardComposition, BackwardSx, BackwardT, ForwardApplication, ForwardComposition, ForwardSubstitution, ForwardT
  from nltk.ccg.lexicon import Token, fromstring
  from nltk.ccg.logic import *
  from nltk.parse import ParserI
  from nltk.parse.chart import AbstractChartRule, Chart, EdgeI
  from nltk.sem.logic import *
  from nltk.tree import Tree
label_desc: Use image node_id 1 to create a new CCGChartParser object from inherited base classes: ParserI with example: obj = CCGChartParser(lexicon, rules, trace)