Your friend is the leader of a large, successful company and they are seeking your advice because they want their employees to be able to discover and reject poor ideas during an important meeting. You tell your friend they should $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

avoid providing strong and clear leadership

leave the room for the discussion

start the meeting by sharing their thoughts about the issue and then encourage the employees to disagree with them

emphasize that group harmony is not the priority