Which of the Following Is True About Mediation

Which of the following is true about mediation?

A) The involved parties generally devise their own solution,with the mediator as a facilitator,not a decision maker.
B) The mediator's decision is legally binding,although in some cases,such as labor disputes,it may be appealed to a court.
C) The involved parties present proofs and presentations,and hence it is procedurally more formal than arbitration.
D) The mediator's proposed solution is a determination of right or wrong rather than a compromise.