Task: Question Answering
Input (English): Context: His heart grew weary at the thought . It was a new reaction to a painful memory . Vader wondered if this was how Obi - Wan had felt when they fought on Mustafar . Anakin promptly buried the thought as he took control of the battle ; he did n't really want to know . 
Question: Who is Anakin ?
Output (English): Darth Vadar.