Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
I have had it for years... wonderful and fast... you won't use your kitchen machine that often any more. Just watch your fingers. Better to use the tool to protect your fingers and do not let young children use slicer (older ones only with adult present). Once you have it you won't want to do without it. With todays need to conserve energy this is another reason to go for it! => We should challenge people to do without batteries and electricity wherever we can.

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