Final answer:
This is an example of word-of-mouth communication, where Clara shares her negative experience at a restaurant with her coworkers.
Step-by-step explanation:
This type of communication is an example of word-of-mouth. Clara is sharing her negative experience at the restaurant with her coworkers, which can influence their perception of the restaurant and their likelihood of going there. Word-of-mouth communication is powerful because it is based on personal experiences and recommendations from trusted sources.