‘Splendid idea!’, said the minister.
On this day, as it was a public holiday, two prisoners had to face the challenge. They were both given the instruction that if there was a woman behind door #1, the sign on the door told the truth — but if there was a tiger behind it, the sign told a lie. As for the sign on door #2, it was the opposite: If there was a woman behind it, the sign would be false, and if there was a tiger behind it, the sign would be true.
There was still the possibility that both rooms could contain a woman, or both a tiger, or of course there might be a woman in one of the rooms and a tiger in the other.
The first prisoner was shown two doors with the following signs:
ROOM I: THERE IS A WOMAN IN BOTH ROOMS
ROOM II: THERE IS A WOMAN IN BOTH ROOMS
So which door should the prisoner choose?
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