Three cards are in a hat. One card is white on both sides, the second one is white on one side and red on the other, and the third card is red on both sides. The dealer shuffles the cards, takes one out and places it flat on the table. The side is showing red. The dealer now says, "Obviously this card is not the whitewhite card. It must be either the red-white card or the red-red card. I will bet you 1 dollar against 1 dollar that the other side is red." Is this bet fair? Briefly explain the reasoning for your answer.