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:
This is a good product since you can increase and decrease the resistance easily. Easy to modify the muscle groups by raising or lowering the anchor point. Takes up very little space and does the job. Make sure to utilize the negatives.(Up can be fast but down should be slow....)

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