Instruct: Classify Amazon reviews into positive or negative sentiment
Query: THAI BASIC COURSE BY YATES AND TRYON ** F S I **

THIS IS VERY WELL DEVELOPED BOOK WITH GOOD DRILLS FOR PRACTICING PREFABRICATED SENTENCES.THIS BOOK IS VERY PROFESSIONAL IN ITS APPROACH COMPAIRED TO MOST OTHERS .THERE ARE TOO MANY JUNK BOOKS ABOUT ..THE BOOK IS EXCELLENT .I HAVE BETTER TIMES USING THIS BOOK THAN TRYING TO GET THAI`S TO HELP ME LEARN THERE LANGUAGE ..WHY ARE THEY SO LAZY AND CARELESS??