Instruct: Classify Amazon reviews into positive or negative sentiment
Query: No notification of manufacturer's defects or lemons

Unfortunately, according to their senior Tech support and in my experience, Apple does not notify customers of manufacturers defects. If you get a lemon (I have with half of my Macs), you have to send it in for repairs several times before they will replace it, even if they have numerous problems with the same version of their computers. Their repair people sometimes keep a computer for many weeks, before returning it. If you buy this computer, be sure to buy an extended warranty, and pray that any problems appear before it expires.