YOU SAID:
I farted on the underground today
INTO JAPANESE
今日は地下でおならをした
BACK INTO ENGLISH
I fart underground today
INTO JAPANESE
今日はおなら
BACK INTO ENGLISH
Fart today
INTO JAPANESE
今日のおなら
BACK INTO ENGLISH
Fart for today
INTO JAPANESE
今日のおなら
BACK INTO ENGLISH
Fart for today
That didn't even make that much sense in English.