Instruct: Classify Amazon reviews into positive or negative sentiment
Query: coronary bypass surgery

If you are the type of person suffering from any type of heart rhythm, vein blockage, or pain malady, your best reference is to bone up on techniques used to resolve those issues. Chances are quite strong that you will end up in the O.R. with one of the procedures described in this book, being put to use on you. The more that you or your significant others know about the techniques or complications affecting life centered on the workings of the heart, the better off you will be.Knowledge is the key to peace.