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:
I like the ease of use, the video that shows while the unit is being cleaned and the space on the label to mark the number of times the cleaner is used.  Works well.

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