In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.
Q: Sentence: Quill pens were used to write the vast majority of medieval manuscripts , the Magna Carta and the Declaration of Independence . 
 Question: what was  used?
A: 
Quill pens