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 was unsure about ordering this but now I can't do without it.  No fluorocarbons and I know EXACTLY what oil I'm using for my family.  Pumping is easy and the resulting spray coverage is good.

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