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

Input:
Bought this for caravaning with other RVer's it wouldn't pick up others in group for less than 200 yards away
Others had no problem with each other , only mine . Definitely wouldn't  recommend for rv use.

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