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

Input:
I am missing the cardboard boxes that ALL KODAK Carousel Slide Trays come in with. Can I find KODAK Carousel  Slide Tray boxes anywhere?
Erwin Rahn

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