1.
You are outside a room with one door and a light bulb in it. No windows to see in, and the door does not let light escape. Three light switches are out side the door. Now by only opening the door once, how can you figure out which of the light switchs is active towards the light?
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Hunter to Garcia: \"I\'m just following you following yourself.\" Garcia in reply: \"Then we\'re both lost.\"
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