TASK DEFINITION: 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.
PROBLEM: The President of Ecuador is the chief of state and the head of government in the country .

SOLUTION: The President of Ecuador officially called the President of the Republic of Ecuador serves as both the head of state and head of government of Ecuador , is the highest political office in the country as the head of the executive branch of government .

PROBLEM: Center ( C ) is a position in American football and Canadian football .

SOLUTION: Center ( C ) is a position in American football and Canadian football ( in the latter the position is spelled centre , following Commonwealth spelling conventions ) .

PROBLEM: The family Cyperaceae , or the sedges , is a taxon of flowering plants that superficially resemble grasses or rushes .

SOLUTION:
The Cyperaceae are a family of graminoid ( grass-like ) , monocotyledonous flowering plants known as sedges , which superficially resemble the closely related rushes and the more distantly related grasses .