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:
Easy install, worked right out of box. Just plug it in and everything is done!
Offical tests showed only 5% difference compared to the old one leased from Adelphia, but it is really much faster, at least 30%!
Especially when you download big files from some fast servers.
Strongly recommend to everybody!

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