YOU SAID:

I ate a chicken sandwich yesterday isn't that fascinating

INTO JAPANESE

昨日チキンサンドイッチを食べたのはそんなに面白くない

BACK INTO ENGLISH

Eating a chicken sandwich yesterday is not so interesting

INTO JAPANESE

昨日チキンサンドイッチを食べるのはそれほど面白くない

BACK INTO ENGLISH

Eating a chicken sandwich yesterday is not so interesting