When actors merely respond to the cues from their colleagues on stage their performances seem flat, but when they genuinely listen to other actors and respond naturally, their acting comes alive. (modernlawmagazine.com)
If your rabbit does not respond to your cue right away, do not continue tapping. (smallanimalchanel.com)
Dogs find it very easy to respond to a cue when there is nothing else worth doing. (thehappypuppysite.com)