The purpose of a crime refers to the result that the criminal wants to achieve through the crime subjectively, and is the result expected to be achieved by the crime that exists in the criminal's mind in the conceptual form. The criminal motive is the stimulus that prompts the criminal to commit the crime or ideological activities. It answers the psychological reasons for the criminal to commit the crime. The function of the motive is to initiate the crime, and explain what significance the crime has to the perpetrator's psychological desire.
According to the above definition, which of the following statements is correct?
A is worried that B will retaliate against him and detain B illegally for several days, then A's criminal motive is fear.