Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
By far the best waterproof multi-band radio on the market.  I am purchasing my second radio only because after nearly several years of abuse from twin teenagers, it finally is starting to wear out.  I will not be without one in my bathroom.

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