In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

[EX Q]: In flail chest multiple ribs are broken move independently of the rib cage .
[EX A]: Chest wall injuries include rib fractures and flail chest , in which multiple ribs are broken so that a segment of the ribcage is detached from the rest of the chest wall and moves independently .

[EX Q]: The FIFA Club World Cup is a competition in the sport of Club football .
[EX A]: The FIFA Club World Cup is an international men 's association football competition organised by the " Fe de ration Internationale de Football Association " ( FIFA ) , the sport 's global governing body .

[EX Q]: A federation is a union of a number of self-governing states or regions , which are joined together under a central government .
[EX A]:
A federation ( also known as a federal state ) is a political entity characterized by a union of partially self-governing provinces , states , or other regions under a central federal government ( federalism ) .