Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
The band works great! Medium resistance is the way to go if you are unsure which to get. I buy all my bands from Xertube.

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