You shouldn't smoke around pregnant people.
All of Cindy's friends are pregnant, but she wants to smoke.
Cindy wants to smoke.
Cindy goes outside on a patio and smokes her cigarette there.
Cindy gets out her cigarette from her purse and smokes it.
Cindy's friends are all safe inside from the smoke, so they keep on talking.
Her friends are all upset and bothered by the smoke and the harm it might cause to their kids.