YOU SAID:

I'm writing this sentence while eating a Costco hot dog

INTO JAPANESE

コストコのホットドッグを食べながらこの文章を書いています

BACK INTO ENGLISH

I'm writing this while eating a hot dog from Costco.

INTO JAPANESE

コストコのホットドッグを食べながらこれを書いています。

BACK INTO ENGLISH

I'm writing this while eating a hot dog from Costco.