Which of the Following Is an Example of an Employee

Which of the following is an example of an employee involvement group?

A) a group of employees who meet after work hours to discuss their interest in hiking and other outdoor activities
B) a group of employees who come together once a year to brainstorm new workflow ideas
C) a group of employees who meet weekly to brainstorm a sequel to a popular product line
D) a group of employees who are allowed to take specialized training courses in statistical analysis and cause-and-effect diagrams