SELECT annot FROM(
		SELECT * FROM (
			SELECT A.sid,(Y-W) AS dis1,(Z-X) AS dis2 FROM (
				
				(SELECT qgram.sid, qgram.i AS W, qgram.qg, query.i AS X, query.qg FROM qgram, query, p3pairs WHERE (qgram.qg = p3pairs.qg1 AND query.qg = p3pairs.qg2)) AS A 
				
			INNER JOIN 
				
				(SELECT qgram.sid, qgram.i AS Y, qgram.qg, query.i AS Z, query.qg FROM qgram, query, p3pairs WHERE (qgram.qg = p3pairs.qg2 AND query.qg = p3pairs.qg1)) AS B 
				
			ON A.sid=B.sid AND (Y-W)>2 AND (Y-W)<43)) AS P 
		WHERE dis1=dis2) AS C 
			
	INNER JOIN 
			
		pstring 
			
	ON C.sid = pstring.sid 			
GROUP BY annot;