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:
The Black Mountain products arrived on a timely manner and i used them right away. I have a wall station I hooked it up to and its great for the shoulder complex. I also ordered another set so I could use both at same time for both shoulders. Great for Internal/External movements plus many more exercises.

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