Answer:
The caricatures were relatively easy to see the intended meaning of the expressions shown; it goes back to having learned from seeing throughout the years. Images stick to mind on what certain expressions are meant. If I had never seen these expressions before in my life, I might not understand what is being conveyed. A thumbs up and a smile, means what? Approval, go for it, it means some type of approval from what I have learned. A facial expression that cannot be read with the use of exaggerated features, may be that the person is blind or ignorant to other people’s feelings.
Explanation: The video shown only showed pictures of exaggerated physical reactions that were easily interpreted.