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:
What ca ni say.  It isn't "sexy" it "ain't" pretty, but, it does filter the "crap" out of the air.

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