The modernist movement in literature was a 'reaction against' traditional literary conventions.
The announcement produced an angry/stunned 'reaction' from most of the people at the meeting.
There has been a 'mixed reaction' [=people have reacted in different ways] to the new policy.
(..) with General Grievous, and we have begun our attack. WINDU: Thank you, Commander Anakin, deliver this report to the chancellor. His reaction will give us a clue to his intentions. Yes, Master. I sense a plot to destroy the Jedi. The dark side of the Force surrounds the chancellor. (..)2005 Star Wars: Episode III - Revenge of the Sith