Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
I bought this pump with my second kayak. I used it once to inflate the kayak and it stopped working. Living in a rural area, the cost of returning it for repair or replacement was more than the cost of buying a new one. Use a hand or foot pump; it's cheaper.

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