\v=13
\v~=\w फिर|x-occurrence="1" x-occurrences="1"\w* \w पक्षियों|x-occurrence="1" x-occurrences="1"\w* \w में|x-occurrence="1" x-occurrences="1"\w* \w से|x-occurrence="1" x-occurrences="1"\w* \w इनको|x-occurrence="1" x-occurrences="1"\w* \w अशुद्ध|x-occurrence="1" x-occurrences="2"\w* \w जानना|x-occurrence="1" x-occurrences="1"\w* \w ये|x-occurrence="1" x-occurrences="1"\w* \w अशुद्ध|x-occurrence="2" x-occurrences="2"\w* \w होने|x-occurrence="1" x-occurrences="1"\w* \w के|x-occurrence="1" x-occurrences="1"\w* \w कारण|x-occurrence="1" x-occurrences="1"\w* \w खाए|x-occurrence="1" x-occurrences="1"\w* \w न|x-occurrence="1" x-occurrences="1"\w* \w जाएँ|x-occurrence="1" x-occurrences="1"\w* \w अर्थात्|x-occurrence="1" x-occurrences="1"\w* \w उकाब|x-occurrence="1" x-occurrences="1"\w* \w हड़फोड़|x-occurrence="1" x-occurrences="1"\w* \w कुरर|x-occurrence="1" x-occurrences="1"\w* 
\¬v