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:
Works great on pet hair, lint, dust on hard floors.  Works so-so on carpeting, but as one would expect for a cordless.  The two batteries is a nice feature.

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