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:
if you're going to use your arms and legs to use the machine, you won't be working your abs.  The true sign that you're not using it correctly is that you feel it in your arms and legs.  You should know this simply as a matter of deduction.  Contract your abs in order to move the machine and let your arms and legs follow the movement caused by that contraction.  It's not magic, obviously.  It's just a tool.  Used improperly, a hammer won't be able to drive a nail, either.

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