In the Context of Structured Conflict, Which of the Following

In the context of structured conflict, which of the following is a difference between the devil's advocacy approach and dialectical inquiry?

A) The devil's advocacy approach involves assigning an individual the role of critic, whereas dialectical inquiry involves generation of a solution that is the opposite of a proposed solution.
B) The devil's advocacy approach does not lead to improved decision quality, whereas dialectical inquiry leads to improved decision quality.
C) The devil's advocacy approach results in the creation of a-type conflicts, whereas dialectical inquiry results in the creation of c-type conflicts.
D) The devil's advocacy approach uses a panel of experts to respond to questions and to each other until reaching agreement on an issue, whereas dialectical inquiry involves group members who quietly write down and evaluate ideas to be shared with the group.