Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: So complicated to use it, I have installed the drive, and it is ok to connect with phone, but, then there is nothing else. No react, nothing pop out on your phone, nothing works. It is so hard to use, when I try to return it, I found out it is non-return item...... be careful, even it is prime acct, still need to pay attention to the return policy.

So complicated to use it, I have installed the ...