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 have had this product for some time....& I can't imagine not having it.  I have also tried the wireless new one with the blue ball....& for everyone hesitating to purchase it.....it is great.  Logitech has great products.....

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