YOU SAID:

which was eaten first, chicken or egg

INTO JAPANESE

最初に食べたもの、鶏肉か卵か

BACK INTO ENGLISH

The first thing I ate, chicken or eggs?

INTO JAPANESE

私が最初に食べたもの、鶏肉や卵?

BACK INTO ENGLISH

What did I eat first, chicken or eggs?

INTO JAPANESE

鶏肉と卵を最初に食べたのは何ですか?

BACK INTO ENGLISH

What was the first time you ate chicken and eggs?

INTO JAPANESE

鶏肉と卵を食べたのは、初めて何でしたか?

BACK INTO ENGLISH

What was the first time you ate chicken and eggs?