A: Did you see this earthquake on TV last night?
B: Oh yes, so what?
A: Well it was very bad then.
B: Yes, earthquake can destroy building and damage people.
A: Well it is one of the natural disaster.
B: Yes, there are many kind of natural disaster like sandstorm, tsunami, flood, ...
A: Is it all dangerous?
B: Well I thought so, but you can defend yourself by go to another place, but you should becarefull then.
A: Ok, thanks.
