It is rude to cough on other people.
Jane is at work when she begins to feel a little sick and has a tickle in her throat.
Jane wants to relieve her throat tickle by coughing.
Jane covers her mouth with her elbow when she feels a cough coming on.
Jane is speaking with a coworker when she opens her mouth wide to cough.
Jane is able to cough without anyone else being affected by it.
Jane's coworker gets sick and misses work for a week.