I woulda sworn they were different too – guess I never used homophone.
of course, you could then have pointed out that the child isn't so much intelligent as he/she is a really good computer. To prove intelligence, you would have to perform a Turing test on him/her.
Then proceed to have a deep philosophical discussion about Nitzsche and the origin of good and evil, Zoraostrianism, and the meaning of Hamlet. That ought to end that silliness. The child is nothing more than a Chinese room. 😉
ROB