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

[EX Q]: Not working Not working at oppo. Saying source not available for hr
[EX A]: Negative

[EX Q]: Does not work. Does not work on android 7.0  I get a """"""""""""""""failed to load certificate"""""""""""""""" error.""
[EX A]: Negative

[EX Q]: Reading only 15mA Installed on my stock tmobile d801 G2 running 5.0.2. Only displays 15mA.
[EX A]:
Negative