The girl without a face

The robot girl had a display screen for a face.
Usually, it displayed a beautiful face.
But every so often, the face would vanish and a menu would appear.
The user would need to select an option from the menu.
Usually, the menu offered a list of actions.
Things the user wanted the robot to do.
But sometimes, the menu would ask a question.
When the police arrived, they found the robot girl holding a bloody knife, standing over her owner.
“DO YOU LOVE ME?” appeared on her bloodsoaked face.
When we checked her log file, the answer was YES.