Which of the following types of committees or representation plans for non-union workplaces would be illegal under the NLRA? Group of answer choices 1. Brainstorming sessions where employees offer ideas to management 2. Plans where employees speak for themselves in one-on-one meetings with managers 3. Plans where a committee of employees represents their colleagues related to terms and conditions of employment in meetings with managers. 4. Meetings where teams of managers and employees discuss business issues like productivity