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

Input:
WARNING - Even though this product is listed by Amazon as a "customers who purchased ... also purchased" item - THIS DOES NOT WORK WITH TIVO!!!  YOU HAVE BEEN WARNED!!!  LEARN FROM MY MISTAKE!!!

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