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:
Works great.  Was easy to set up and program.  I wish you could still buy new units but this one seems to be good as new.

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