Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
This cat5 cable performs exactly as expected. It was ran through 3 walls and an attic and has worked flawlessly. If you need guaranteed high speed performance, then this cable works.

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