YOU SAID:
i ate tortillas while i eat and sit on a whale
INTO JAPANESE
私はクジラを食べて座っている間にトルティーヤを食べた
BACK INTO ENGLISH
I ate a whale and ate a tortilla while I sat down.
INTO JAPANESE
私はクジラを食べ、座っている間にトルティーヤを食べました。
BACK INTO ENGLISH
I ate a whale and ate a tortilla while sitting.
INTO JAPANESE
私はクジラを食べ、座ったままトルティーヤを食べた。
BACK INTO ENGLISH
I ate a whale and ate a tortilla while sitting.
That didn't even make that much sense in English.