La Monte Henry Piggy Yarroll piggyatbaqaqi

## unsupervisedpcfg.py
import numpy as np
import pandas as pd

import itertools
from multiprocessing import Pool
from random import shuffle, choice
from scipy.stats import dirichlet
from scipy.misc import logsumexp
from nltk.tree import Tree
	import numpy as np
	import pandas as pd

	import itertools
	from multiprocessing import Pool
	from random import shuffle, choice
	from scipy.stats import dirichlet
	from scipy.misc import logsumexp
	from nltk.tree import Tree