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

Input:
we love the concept of a backpack chair but this one sadly is very flimsy. i've used mine a few times and a strap to close the pouch in the back already broke. not a good chair

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