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

Input:
Compact and light weight but the controls offer no control at all, you either have barely lit to blast furnace. If you are going to put dials on the gas flow then have them work properly.

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