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:
Easy to use.  I had the rectangular bacon grill which was great in my larger microwave.  Now that I have a small microwave, I had to switch to this round model.  I expect to use this for many years.  The sloping rectangle model was still good after over 20 years.

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