"Cold Winter" joke

The
Indians asked their Chief in autumn if the winter was
going to be cold or not. Not really knowing an answer,
the chief replies that the winter was going to be cold
and that the members of the village were to collect
wood to be prepared.
Being a good leader, he then went to the next phone
booth and called the National Weather Service and
asked, "Is this winter to be cold?"
The man on the phone responded, "This winter
was going to be quite cold indeed." So the Chief
went back to speed up his people to collect even more
wood to be prepared.
A week later he called the National Weather Service
again, "Is it going to be a VERY cold winter?"
"Yes", the man replied, "it's going
to be a very cold winter."
So the Chief goes back to his people and orders them
to go and find every scrap of wood they can find.
Two weeks later he calls the National Weather Service
again: "Are you absolutely sure, that the winter
is going to be very cold?"
"Absolutely" the man replies, "the
Indians are collecting wood like crazy!"