One in 3,000,000 has a chance of becoming a human being.
or
The barman says "Sorry we don't serve food in here"
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The barman says "I'll serve you, but don't start anything"
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One, but she'll be on the phone for five hours telling all her friends about it.
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Does it have to be a light bulb? I've got this neat candle holder...
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None. The light bulb contains the seeds of its own revolution.
or