#!/usr/bin/env python
# coding: utf-8
import sys
sys.path.append('/home/user')
import codecs
id2en = open('id2en.txt').read().decode('utf-8').splitlines()

id2en = dict([line.split('\t') for line in id2en]).items()

for e, i in id2en:
 ewords, iwords = tokenize(e), tokenize(i)
 if len(ewords)== 2 and len(iwords) == 2 and len(set(ewords).intersection(set(iwords))) == 2:
  print i, e