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:
With the DK-3, and the DK-22, it makes an effective mod/replacement eyecup for the majority of nikon cameras with the DK-21 Rubber Eyecup

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