Public opinion: Refers to a considerable number of individuals, groups or organizations that have a consistent tendency to post in public offices. Which of the following are public opinion:. ["All the leaders of a company attended the meeting to introduce the company's development prospects to new employees.", "After the collective return flight of pilots of an airline, many passengers think that these pilots are not responsible for the safety of passengers and expressed their unwillingness to fly on the airline's aircraft.", "Li Yong's relatives and friends praise the new house he bought.", 'Takayama disagrees with a decision of the company.']