Mass Communication Interview Question:

Which of this is grapevine communication?

Submitted by: Administrator

The employees express their views on the new human resource policy to the higher management.
There is a rumor in office regarding a 10 percent hike in salary of all employees.
The principal has sent a note to all the students to improve their performance in the next examination.
There is an exchange of views in the parent-teacher meeting.
Submitted by: Administrator