Instruct: Classify Amazon reviews into positive or negative sentiment
Query: SWEET HEARTS

FROM THE BACK COVER:PICTURE PERFECT by Jill Marie LandisA lady photographer is the last thing Sam Tucker needs on his cattle ranch. Emily Richardson wants to capture his life on film--and is stealing his heart as well. But the rancher's determined to keep love out of the picture.IN A HEARTBEAT by Jodi ThomasAn army fort is no place for a Valentine's Day dance--or so thinks stubborn Colt Barnett. Until a lovely woman turns his head around...PAPER HEARTS by Kathleen KanePerfect manners and fancy silk can't hide a tempestuous spirit, as Emma discovers when she learns to be a true lady--and rekindles a true love.GIFTS OF THE HEART by Colleen QuinnAn adventurous newspaper reporter puts her heart on the line as she follows a story of hardship--and hope.