instruction:
In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
question:
Examples of this form of articulation are found in the hip, where the rounded head of the femur (ball) rests in the cup-like acetabulum (socket) of the pelvis, and in the glenohumeral joint of the shoulder, where the rounded head of the humerus (ball) rests in the cup-like glenoid fossa (socket) of the shoulder blade. The shoulder includes a sternoclavicular articulation joint.
answer:
how did the ball and socket joint get its name

question:
Whitney is most famous for two innovations which came to have significant impacts on the United States in the mid-19th century: the cotton gin (1793) and his advocacy of interchangeable parts. In the South, the cotton gin revolutionized the way cotton was harvested and reinvigorated slavery. In the North the adoption of interchangeable parts revolutionized the manufacturing industry, and contributed greatly to the U.S. victory in the Civil War.
answer:
this american inventor created the cotton gin and interchangeable parts

question:
The gospels of Matthew, Mark, and Luke are known as the Synoptic Gospels, because they include many of the same stories, often in the same sequence. While the periods to which the gospels are usually dated suggest otherwise, convention traditionally holds that the authors were two of the Twelve Apostles of Jesus, John and Matthew, as well as two 'apostolic men,' Mark and Luke:
answer:
who wrote the book of matthew mark luke and john