YOU SAID:

There were no spies on the train going down to Tokyo.

INTO JAPANESE

東京行きの電車にスパイはいなかった。

BACK INTO ENGLISH

There were no spies on the train to Tokyo.

INTO JAPANESE

東京行きの電車にはスパイはいなかった。

BACK INTO ENGLISH

There were no spies on the train to Tokyo.