YOU SAID:

my dad eats a potato while sitting on the deck

INTO JAPANESE

私の父はデッキに座っている間にジャガイモを食べる

BACK INTO ENGLISH

My father eats potatoes while sitting on the deck

INTO JAPANESE

私の父はデッキに座っている間にジャガイモを食べる

BACK INTO ENGLISH

My father eats potatoes while sitting on the deck