In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Ex Input:
The Pentagon is the headquarters building of the United States Department of Defense , although as a symbol of the U.S. military , the phrase " The Pentagon " is also often used as a metonym for the Department of Defense and its leadership .

Ex Output:
The Pentagon is the headquarters of the United States Department of Defense .


Ex Input:
The species most commonly referred to as " pigeon " is the species known by scientists as the rock dove , one subspecies of which , the domestic pigeon , is common in many cities as the feral pigeon .

Ex Output:
The feral domestic pigeon is often called the " rock dove " : it is common in many cities .


Ex Input:
The thirteenth court of appeals is the United States Court of Appeals for the Federal Circuit , which has nationwide jurisdiction over certain appeals based on their subject matter .

Ex Output:

The thirteenth court of appeals is the United States Court of Appeals for the Federal Circuit .