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

Input:
I can not believe what a great job this little machine does. The low price worried me but it is much better than my Braun Juicer that wore out after over 20 years of use. The adjustable pulp screener is a great feature and it is much easier to clean.

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