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:
Have used these over the past ten years at my home. They have worked great on saving my items from power surges over the years. If you need one these are the best.

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