Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
Best ever. Can pop corn WITHOUT oil! TASTES GREAT and far fewer calories esp no cholesterol! Also can buy store brands of popcorn and will pop as good as premium brands. Comes with power-cup Concentrators to increase efficiency of popping with far less kernels left untapped.

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