YOU SAID:
The sky is blue and the grass is green
INTO JAPANESE
空が青、草は緑
BACK INTO ENGLISH
The sky is blue, grass is green
INTO JAPANESE
空は青、草は緑
BACK INTO ENGLISH
The sky is blue, the grass is green
INTO JAPANESE
空は青、草は緑
BACK INTO ENGLISH
The sky is blue, the grass is green
You've done this before, haven't you.