帮我编一个英语情景对话,两个人的,大约5分钟!!!

"Oh,hi mate! How are you these days?"
"Just so so, more or less.And you?"
"You know, I'm studying about the topic of dinosaurs. It's really a stuff!"
"Oh? What subject are you working on?"
"About the extinction of dinosaurs.Fantastic, isn't it? Those once-overlords disappeared on the earth in a very short period, but no one knows what happened actually!"
"That is.. What do you think?"
"Think what? About the mysterious diappearance of those extremely tremendous creatures?"
"Yes!"
"Yum! Tell me about your ideas first!"
"Eh.. Climate? I think I heard it many times on TVs"
"Yeah! The sudden change of the temperature. It went cooler and killed them off! That's the most common explanation, but it sounds dull to me! And more?"
"Then, the lack of food? Those dinosaurs ran out of food, and couldn't bear t