The answer is she is demonstrating in hesitation in silence. She is in hesitation because she was caught off guard when they know that she is lying. Sometimes being silence makes a signal to the person you are communicating, then anxiety leads to hold and disturbance of what to do next.
Shaina is demonstrating because she has anxiety and hiding something. When she caught a lie she starts to pretend like she is innocent and worried about her condition.
Demonstration is the proof of something which can show by gathering of people, showing placard, gathered at the street to oppose something.
The demonstration is the process to teach something by taking step by step process. The demonstration is the best way to communicate his ideas to others.
Therefore anxiety leads to disturbance.
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