Which of the following are nonverbal forms of communication?

The fact that Cindy enjoys a fine cigar over extended lunch breaks makes her appear to be a slacker to her coworkers.

Amy is a wonderful orator, but she tends to look angry when she's passionate about something.

Bob doesn't know much Mandarin, but when he attempted to say "hello," he really messed up and offended the company's best client by swearing at him in Cantonese.

Tom fancies himself a gifted writer. He writes what he feels are excellent proposals that are in fact nothing more than verbose exhibitions of the depth of his vocabulary.