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:
Great vacuum for quick pickups.  Great on tile and low pile carpets when the brush is running.  Pickup is not so good without the brush.  Each battery is good for approximately 8 minutes.  Over time, the runtime on the batteries start to decline.  You can refresh the batteries by running them down completely and then recharging completely.

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