This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.

you ca n't say that civilization do n't advance , however , for in every war they kill you in a new way - will rogers
you ca n't deny that civilization is going forward , you will be killed in a new way in every new war

you just need to master all four elements and confront the fire lord before the commet comes . oh , yeah .
you just have to take control of all four elements and face the fire princes ... ... before the comet comes .

again , foreign investors get nervous , and with the flight of their capital , we face some minor embarrassments .
foreign investors are once again unnerved , and that flight from their capital in us is causing some embarrassment .