Dialog

Renaldy: "hi Jonathan ! how are you ?"
Jonathan: "hi Renaldy! i am fine, thanks."
Renaldy: "i heard that Jakarta got flood more and more in rainy season, is that right ? What matter cause Jakarta got flood ?"
Jonathan : "Jakarta's river is too dirty to become a place where water can be keep there, there also don't have enough trees."
Renaldy : "i think so, Jakarta need more trees and river purifying."
Jonathan: "yeah, Jakarta's occupant should clean their river regularly and they must give a hard punishment for someone who broke the rules."
Renaldy : "i agree with you, if they can do so, flood will never come to attack Jakarta."