In this task, you are given an app review. Your task is to identify whether its sentiment is "Positive" or "Negative".

[Q]: Xperia Z Tablet Grabbed the app to play around with RTL SDR. Better signal clarity than SDR# on my laptop. Very happy so far with $15 total investment. Dongle powered up straight from the tablet. Don't have a HackRF to test.
[A]: Positive


[Q]: Great app Announces over Bluetooth. Announces data warnings. Can sit the phone on the coffee table (or wherever) and it tells you what your phone is getting.
[A]: Positive


[Q]: Doesn't even connect. Just returns invalid username/password
[A]:
Negative