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've used these cheap-o headphones for 4 1/2 years, and the foam around the earpieces finally disintegrated.  I used them so much I wore them out.  These are amazing little phones for the price.  They are not studio grade $200 closed ear quality, but rather a great quality for listening to the iPad or iPhone while you are puttering around the office and want to hear decent quality music without bothering the family. I've just ordered another pair.

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