Aida Fitria

Dialog using cause-effect.

Aida : "Hi, Eka! How are you?"
Eka   : "Hi, Aida! I am fine."
Aida  : "Why do you look so worried, my friend?"
Eka   : "I am just thinking about the causes of pollution."
Aida  : "What causes pollution?"
Eka   : "The cigarette smoke was so bad that made big pollution."
Aida  : "Oh. Pollution is so much that many people are easily sick."
Eka   : "Yes. You're right."