Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
I received it quickly and was excited to start using it. Yet I'm still trying to get a hold of a human at the Manufacturer, to see if we can troubleshoot why it does not work. I'm extremely disappointed. I like the watch I just hope I can resolve this problem, it does have a 1 year warranty, whew.

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