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:
Had to return the first one because it wasn't heating uniformly.  Second one seems to work find.  Nice sized pizzelles.  GREAT service in making the exchange.  Effortless.  Fast.  Extremely pleased with the process.

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