You are given a sentence in Portuguese. Your job is to translate the Portuguese sentence into English.

Ex Input:
E existem varias razoes.

Ex Output:
And there are many reasons for this.

Ex Input:
a Amazonia e o pulmao do mundo, nao e? pelo poder que tem de trocar massivamente gases vitais a floresta com a atmosfera.

Ex Output:
The Amazon is the "" lung of the world, "" because of its massive power to have vital gases exchanged between the forest and the atmosphere.

Ex Input:
Como e que eu sei isto?

Ex Output:
How do I know this?