My interpretation is that Pat is a rooster and he has laid an egg. That's in the question. A normal rooster can't normally lay an egg, but so what, that's completely irrelevant. Maybe Pat is not a normal rooster. Maybe by "lay" an egg, the question meant "put it down carefully". Maybe it's just that the questioner's English is poor and when they said rooster they meant hen.
sjamaan|5 days ago