Which one of the following is an example of a dispute of right?

Group of answer choices

The National Mineworkers Association enters into collective bargaining since they want their employer to contribute to a medical aid scheme.

The Teachers United Trade Union enters into collective bargaining for the introduction of a daily $$mediation break$$ whereby teachers and learners are given an opportunity to meditate for $30$ minutes every day.

The employees at Daisy & Co want to negotiate for a performance bonus.

Violet is dismissed for misconduct and refers a case of unfair dismissal to the CCMA.