Facial muscles are directly connected to the emotional control area of the brain, so facial expressions are a window of mood. By identifying facial expressions, body language and speaking tones at close range, anyone can recognize the lies of a liar. Which of the following is true can challenge the above view. ["Even the most technological lie recognizer can't see through all lies.", 'Real and unreal emotions enter the brain in different ways.', 'Very few people are able to subconsciously control their facial expressions.', 'If someone says he is sad, but his eyebrows are not pulled up, then his sadness is likely to be false.']