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:
Delivers excellent performance for a fraction of the cost of other filters. I have not noticed any loss of image quality.

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