Instruct: Classify Amazon reviews into positive or negative sentiment
Query: the BEST .... guys with one star rating are NUTS and handicapped!

Have used this laser level for 3 years now. VERY accurate. VERY easy to use. Installed a septic leach field just recently and was PERFECT. I too am an architect and am not sure what was wrong with the other architect except that perhaps he is from New Hampshire! Liberals don't like to follow instructions!