Task: Question Answering
Input (English): passage: The Fifth Amendment to the United States Constitution provides that no person shall be compelled in any criminal case to be a witness against himself or herself. At trial, the prosecution can neither call the defendant as a witness, nor comment on the defendant's failure to testify. Whether to testify or not is exclusively the privilege of the defendant.
 question: do witnesses have the right to remain silent?
Output (English): Yes