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:
How else are you going to get a sharp, fast lens like this for about $100? I don't use this lens a lot but when you need speed or very shallow depth of field, it is more than worth having.

I also add extension tubes to it for (non-moving) closeups and macros.

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