Which of the following is an example of bullying?
◦ Martin's boss was upset about a mistake he made and called him an idiot.
◦ One of Martin's co-workers stole his lunch and nobody would admit to it.
◦ Martin arrived at work one day to find that his tools were missing.
◦ One of Martin's co-workers punched him in the face.
◦ Martin's co-workers are always teasing and criticizing him.