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 it daily on my commute to school and to the gym. The helmet is adjustable and has a turn crank knob to adjust the back brace as well. Can't beat it for the price

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