YOU SAID:

if I sit and eat a sandwich with no one around did It really happen

INTO JAPANESE

座って周りに誰もいないサンドイッチを食べたら本当に起こった

BACK INTO ENGLISH

It really happened when I sat down and ate a sandwich with no one around

INTO JAPANESE

私が座って周りに誰もいないサンドイッチを食べたとき、それは本当に起こりました

BACK INTO ENGLISH

It really happened when I sat down and ate a sandwich with no one around