Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
Not a lot you can say about a swivel. All the moving parts move smoothly, they seem durable, and the quick detach spring system is nice if using loop/cuff sling shooting techniques, like those taught at Project Appleseed events.

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