Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
After sitting for awhile it gets a little uncomfortable, but so do many regular chairs.  Being so easily portable it is comfortable enough with a little position adjustment every so often.

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