cat /dev/stdin > /dev/stdout

Conjecture: All odd numbers are prime.
	Mathematician's Proof:
		3 is prime.  5 is prime.  7 is prime.  By induction, all
		odd numbers are prime.
	Physicist's Proof:
		3 is prime.  5 is prime.  7 is prime.  9 is experimental
		error.  11 is prime.  13 is prime ...
	Engineer's Proof:
		3 is prime.  5 is prime.  7 is prime.  9 is prime.
		11 is prime.  13 is prime ...
	Computer Scientists's Proof:
		3 is prime.  3 is prime.  3 is prime.  3 is prime...