Your question was too vague, told you to rephrase it.
Surely you know if you're combine or not.
Well are you combine, harvester?
One Vision by Queen
the chicken and egg were both materialized by some greater being at exactly the same time. One does not exist without the other, so this is the obvious answer.
The egg came first, because there were dinosaur eggs millions of years before chickens evolved.
Here's another one
Did I go too far?
the chicken was born maybe because of a mutation of a bird who layed that egg but no way did the chicken come first