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:
Actually i don't know how it work, but i know according to add. it will safeguard your electronics agains electric surge, to get your electronics long use. I think it works, when i leave the house i turn the switch off for protection, then i turn on when i get back home. whatever the manufacturer purpose about that thing surge its their business about this word..i did not research more about this word. bec. i did not feel if the electricity is going up or down, maybe this is the meaning of surge protection.

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