Which of the following would not be considered an example of attitudinal structuring?

A) Active attempts to build trust between parties.
B) Maintaining professionalism before and during negotiations.
C) Mutual brainstorming of solutions.
D) Expressed commitment to maintaining a healthy long-term relationship.

Attitudinal structuring refers to the process of shaping the attitudes and behaviors of parties involved in negotiations to increase the likelihood of reaching a favorable outcome. Mutual brainstorming of solutions is an example of substantive structuring, which involves shaping the content or substance of the negotiation rather than the parties' attitudes and behaviors. The other options listed are all examples of attitudinal structuring.