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

Input:
i think this cable is amazing!  it improved picture quality by about 10 folds  its an amazing piece of technology.  all my life i have searched for such a cable, and now i have founded.  i am so pleased.  i highly recommend  this

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