Related:

• Q: How many heterosexual males does it take to screw in a light bulb in San Francisco?
  A: Both of them....
• How many heterosexual males -- does it take to screw in a light bulb in San Francisco?
  Both of them....
• Q: How many Pentium designers does it take to screw in a light bulb?
  A: 1.99904274017, but that's close enough for non-technical people....
• Q: How many Zen masters does it take to screw in a light bulb?
  A: None. The Universe spines the bulb, and the Zen master stays out of the way....
• Q: How many Zen masters does it take to screw in a light bulb?
  A: None. The Universe spins the bulb, and the Zen master stays out of the way....
• Q: How many right-to-lifers does it take to change a light bulb?
  A: Two. One to screw it in and one to say that light started when the screwing began....
• How many boarding school students -- does it take to screw in a light bulb?
  None, they have their parents do it for them....
• Q: How many lawyers does it take to change a light bulb?
  A: You won't find a lawyer who can change a light bulb....