Choose the INCORRECT answer from the following statements a. Either the prosecutor or the accused may compel the attendance of witnesses by way of a subpoena. b. A postponement refers to the period before the hearing starts, whereas an adjournment usually refers to a hearing that is already underway c. Section 189 of the CPA requires a potential witness to proffer a 'reasonable excuse' for refusing to answer questions. d. A recalcitrant witness in a criminal trial is someone who refuses to take the oath or refuses to answer questions. e. The refusal to answer questions during a criminal trial empowers the court in terms of s 189 of the CPA sentence such person to a sentence of imprisonment