You will be given a definition of a task first, then some input of the task.
In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.

I bought this watch because I am training for a half marathon. I wanted a watch that I could upload music into so I could run without my phone with me. This watch wasn't compatible with uploading music.
Output:
I bought this watch because I am training for a ...