Instruction: Analyze the user's review text and determine the overall sentiment expressed, then choose the corresponding sentiment option from the provided list (A: very positive, B: positive, C: neutral, D: negative, E: very negative) based on the identified sentiment.

Input:
These Memorex blank CDs are simply the best combination anywhere of high quality and low cost. Three factors make these discs stand out as your best buy:
First, they are rated for burning at up to 16x, which is nice for those with fast CD-ROM burners. Sometimes you'll find that substandard media won't REALLY burn as fast as the label claims, which is very annoying. With these Memorex discs, however, I've NEVER experienced a problem with diminished burn speed. They cook perfectly at 16x every time.
Second is reliability. Out of my last spindle I had NOT A SINGLE DEFECTIVE CD. Not one defective CD out of fifty blanks! Quite remarkable, considering that many blank CD vendors consider a 10-15% failure to be acceptable.
Finally, the low cost of these excellent discs- just fifty cents each- is hard to beat. I've seen other manufacturers offering spindles of fifty discs... but they were of vastly inferior quality.

Options:
A: very positive
B: positive
C: neutral
D: negative
E: very negative
Answer: A: very positive