Zhao Yu had read through the lie detector’s instructions carefully beforehand. As it turned out, even though the Lie Detector was one-hundred percent accurate, it could only judge very clear questions and answers, which was why he asked Liu Pengfei to only answer either "yes" or "no".
When Zhao Yu flipped on the switch for the invisible lie detector, a simple image appeared in his mind: a red light, a green light, and at the top right, a ten-minute countdown. The entire picture was as simple as a child’s drawing. Watching the time slowly drip away, Zhao Yu hurried up and started to ask his questions.
Because it was his first time, and Zhao Yu had no experience, he asked the simplest question, "Are you a male?"
"Yes!" Even though he was confused, Liu Pengfei still cooperated and answered.
