Definition: 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.
Input: original question: Which aircraft model has [Embraer E-Jet family] as part of line?
answer: e-195x, e-190, e-175...
answer type: Aircraft model.
auxiliary information: The Embraer E-Jet family is a series of narrow-body medium-range twin-engine jet airliners produced by Brazilian aerospace conglomerate Embraer. Launched at the Paris Air Show in 1999, and entering production in 2002, the aircraft series has been a commercial success. The aircraft is used by both mainline and regional airlines around the world. As of 31 December 2014, there is a backlog of 249 firm orders for the E-Jets, 502 options and 1090 units delivered.

[Embraer E-Jet family] is part of which aircraft model line?