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:
This coffee pot revolutionized our coffee routine. Best one we've ever purchased, and we will never go back to Mr. Coffee again.

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