Your preference for believing nonverbal signals even when they conflict with spoken words is especially critical for detecting when someone is leading you to believe something that they know to be untrue.

The correct answer to fill in the blank is:

“deception”

One of the most effective strategies in detecting lies is in reading the signs. Detecting deceptions is a difficult art form and is most usually used by trained specialists during a forensic interview. 

answer; ///i believe that it means; ///you pay no customs duty on the chocolates;

ever since wwii tmthey always did hated each other.