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

Input:
This pump absolutely, positively does not work on presta valves. Maybe it works on schrader, I do not have any bikes with schrader valves. Horrible piece of junk and just found its place in the garbage.

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