If the definite article is used then it should be clear from the physical or literal context eggsactly which chicken and which egg are the subjects. This makes the answer a simple matter of asking each for its birth certificate.
If the question has been taken out of context or misquoted - and is now meaningless - well that’s just typical sloppy journalism.
Though eggs predate the chicken by several hundreds of million of years.
It’s implied that it’s about chicken eggs
where
Which came first:
If the definite article is used then it should be clear from the physical or literal context eggsactly which chicken and which egg are the subjects. This makes the answer a simple matter of asking each for its birth certificate.
If the question has been taken out of context or misquoted - and is now meaningless - well that’s just typical sloppy journalism.