Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
I bought the D-510 because I had an Olympus film camera for a number of years and loved it -- great lens and the camera was small enough to take anywhere.
Therefore, it was a great disappointment to find out that the camera I bought has the picture-taking functionality of a brick.  The diopter adjustment never sharpens the focus of the optical viewfinder; the zoom lens doesn't zoom; and no picture is displayed in the LCD viewfinder....

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