It's actually a false dichotomy - evolution is gradual, not a single switch flipping from "not-chicken" to "chicken" in one generation. There was never one clean moment; species boundaries are fuzzy human categories drawn over a continuous chain of near-identical parents and offspring, so demanding one exact answer misunderstands how evolution works. is leading so far with 100%.
Everyone who has answered so far is voting from China.
The poll is still live and picked up a vote today.