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:
I use these at work, and the sound is great and the cord frees me from my desk.  (I often have to travel around the building.)  I work with computers andI wasn't sure how it would work with all of the electrically noisy  equipment around us but it works great!  Highly recommended!

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