#!/bin/bash

KeyA=`ots --about $1 | cut -f2 -d'"' | sed -e 's/\,/ /g'`
KeyB=`ots --about $2 | cut -f2 -d'"' | sed -e 's/\,/ /g'`

C=0;
for wordA in $KeyA; do
for wordB in $KeyB; do

	if [ $wordA = $wordB ];
	then
		let C=C+1;		
	fi

done
done


echo '<'$1,$2'>'= $C