Which of the following is an example of negative symptoms of schizophrenia?

Which of the following is an example of negative symptoms of schizophrenia?

1. People with these delusions believe that they are being conspired, spied on, slandered, threatened, attacked, or deliberately tortured.
2. people move spontaneously or make strange faces and gestures
3. lack of thought, feeling, and behavior
4. excess of thoughts, feelings, and behaviors