Half of a cat.
2 Na
The mathematician says "2" The Physicist says "2, plus or minus 0.1" The engineer says "Probably around 2, but let's say 3 to be on the safe side".
Let Meowt!!!!
Nothing, because cats don't speak.
Pi Ok, I'm leaving now.
A man named Bob running down a train track (only Asians will understand)
A baby.
He always gets stuck on across.