Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
If I were on a super-tight budget and had to sell all but one of my lenses, this is the one I would keep. Sure, you have to zoom with your feet, but the results are amazing. The bokeh is nice for a cheap lens, and the focus is incredibly sharp.

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