You will be given a definition of a task first, then some input of the task.
Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.

original question: which tennis player uses [One-handed backhand]?
answer: justine henin, pete sampras, roger federer...
answer type: Tennis Player.
auxiliary information: The one-handed backhand is also known as the classical backhand. Nowadays more pro-players use a double-handed backhand, which has some disadvantages over the one-handed backhand. 1. First of all the reach with one-handed backhand is greater. Therefore a player has to run less distance when forced to move towards the ball. 2. A one-handed backhand also allows doesn't force the player to still really deep when hitting a ball 3. Generally a one-handed backhand allows for more touch when hitting the ball 4. Hitting slice backhands is also easier when hit one-handed. Double handed slice is a tough shot which often misses the needed touch. 5. It's easier to switch from full swing to slice when the backhand is hit one-handed. Players like Nadel of Djokovic have mastered this skill but it doesn't come naturally 6. From an esthetic point of view a one-handed backhand is considered a beautiful shot, regardsless of its effectiveness Downside of playing a one-handed backhand is the need for excellent timing and precision. If done correctly the one-handed backhand is a fierce shot with great pace. Maximum relaxation in the hitting arm is required. With a double handed backhand there is more room for correction. It often allows players to become more solid in rallyplay.
Output:
The [One-handed backhand] is used by which player?