When making decisions in highly cohesive groups, the members' thinking will be highly inclined to be consistent, so that the realistic assessment of other alternative action routes will be suppressed. This tendency of thinking in group decision making is called group blind thinking, also known as group Myth. According to the above definitions, Which of the following are group blind thinking:. ['The voice of a few people was drowned during the meeting.', "Zhang San's opinion is different from expert opinion.", "A scientist believes Darwin's theory of evolution is incorrect.", 'Owner siege caused by falling house prices and smashing sales offices.']