Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Stay away from Panasonic Recordable media - Get Verbatim or Sony, instead.

Stay away from Panasonic Recordable media - Get Verbatim or Sony, instead.I record to Blu-Ray media very frequently (more than 400 recordings a year). I have experience with Panasonic, Sony & Verbatim recordable Blu-Ray media. Nearly every Panasonic BDRE disc I have - eventually failed.To add insult to injury, Panasonic WILL NOT replace them - not even within their VERY SHORT 3 month warranty period (Sony & Verbatim have lifetime warranties)I have tried (LITERALLY for many hours) to get Panasonic to replace their defective discs - but eventually gave up.I made it as far as the office of the president (in the USA), but they too were unwilling to replace my defective discs.