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.
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Question: A doorstop ( also door stopper , door stop or door wedge ) is an object or device used to hold a door open or closed , or to prevent a door from opening too widely .

Answer: A doorstop ( or door stop or doorstopper ) is a tool .

Question: 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 .

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

Question: Trinity Hall ( formally The College or Hall of the Holy Trinity in the University of Cambridge ) is a constituent college of the University of Cambridge , England .

Answer:
Trinity Hall is one of the colleges of the University of Cambridge , England .