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.
(..) - cms left and we'd be playing harps. You've been unconscious since you got here. Where's Scully? Your call must have been intercepted. Scully had a reaction to a honeybee we found in your hall. - I gotta get to her. - You're staying right here. This goes back to Dallas. (..)1998 The X Files