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:
This is a quality filler with smooth threads and a heavy duty storage case. Quality optics are second to none. An American made jewel.

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