I don't know. I didn't think sheep could knit
or
Three:
One to write the light bulb removal program,
one to write the light bulb insertion program, and
one to act as a light bulb administrator to make sure nobody else tries to change the light bulb at the same time.
or
It came in at quarter past four.
or
If Trump gets Alzheimers his IQ will go up.
or